Stephen R. Leone All Publications



  1. S. R. Leone, B. Swanson and D. F. Shriver, Polarized Raman scattering by tetraethylammonium pentachlorindate (III) single crystals. Vibrational assignments for the square pyramidal InCl52- Ion, Inorg. Chem. 9, 2189 (1970).


  2. S. R. Leone and C. B. Moore, V energy transfer with tunable optical parametric oscillator excitation, Chem. Phys. Lett. 19, 340 (1973).


  3. S. R. Leone and C. B. Moore,Laser sources, in Chemical and Biological Applications of Lasers, edited by C. B. Moore (Academic Press, 1974).


  4. S. R. Leone and F. J. Wodarczyk, Laser excited electronic-to-vibrational energy transfer from Br(42P1/2) to HCl and HBr, J. Chem. Phys. 60, 314 (1974).


  5. S. R. Leone and C. B. Moore, Isotopically selective photochemistry of bromine, Phys. Rev. Lett. 33, 269 (1974).


  6. A. B. Petersen, C. Wittig and S. R. Leone, Infrared molecular lasers pumped by E-V energy transfer from Br(42P1/2):  CO2, N2O, HCN, and C2H2, Appl. Phys. Lett. 27, 305 (1975).


  7. K. Bergmann, S. R. Leone and C. B. Moore, Effect of reagent electronic excitation on the chemical reaction Br(2P1/2,2P3/2)+ HI, J. Chem. Phys. 63, 4161 (1975).


  8. S. R. Leone, R. G. Mcdonald and C. B. Moore, Vibrational relaxation and photochemistry of HCl(v=1,2) and Br atoms, J. Chem. Phys. 63, 4735 (1975).


  9. S.R. Leone, Application of lasers to chemical research, J. Chem. Ed. 53, 9 (1976).


  10. S. R. Leone, Selective photochemical reactions and excited state energy transfer,in Physics of Quantum Electronics, Vol. 4, edited by S. F. Jacobs, et al. (Addison Wesley, 1976).


  11. A. B. Petersen, C. Wittig and S. R. Leone, E-V pumped CO2 laser operating at 4.3, 10.6 and 14.1 µm, J. Appl. Phys. 47, 1051 (1976).


  12. K. Bergmann, S. R. Leone, R. G. Mcdonald and C. B. Moore, Vibrational photochemistry, Israel J. Chem. 14, 105 (1975).


  13. F. Zaraga, S. R. Leone and C. B. Moore, Br + Br2 atom exchange:  An isotopically selective, laser-initiated, chemical study, Chem. Phys. Lett. 42, 275 (1976).


  14. S. R. Leone, Infrared fluorescence studies of state-selected energy transfer and isotopic chemistry, SPIE Proceedings Vol. 83 (1976).


  15. S. R. Leone, Applications and trends in laser-induced chemistry, SPIE Proceedings Vol. 92 (1977), p. 130.


  16. S. R. Leone and K. G. Kosnik, An optically pumped S2 laser,in Electronic Transition Lasers II, Proceedings of the Third Summer Colloquium on Electronic Transition Lasers, edited by L. E. Wilson, S. N. Suchard and J. I. Steinfeld (MIT Press, 1977), p. 298.


  17. S. R. Leone and K. G. Kosnik, A tunable visible and ultraviolet laser on S2(B3Su--X3Sg-), Appl. Phys. Lett. 30, 346 (1977).


  18. V. M. Bierbaum, G. B. Ellison, J. H. Futrell and S. R. Leone, Vibrational chemiluminescence from ion-molecule reactions:  O- + CO ® CO2 + e-, J. Chem. Phys. 67, 2375 (1977).


  19. V. M. Bierbaum, G. B. Ellison, J. H. Futrell and S. R. Leone, Infrared chemiluminescence studies of ion-molecule reactions, Proceedings of the 25th Annual Meeting of the American Society for Mass Spectrometry (1977), p. 435.


  20. J. B. Koffend, R. W. Field, D. R. Guyer and S. R. Leone, Pulsed and cw optically pumped lasers for novel applications in spectroscopy and kinetics, Laser Spectroscopy, Proceedings of the Third International Conference on Laser Spectroscopy, Jackson Hole, Wyoming, edited by J. L. Hall and J. L. Carlsten (Springer-Verlag, Springer Series in Optical Sciences, 1977), Vol. 7, p. 382.


  21. A. B. Horwitz and S. R. Leone, Isotopic vibration-to-vibration energy transfer, SPIE Proceedings, Vol. 113 (1977), p. 114.


  22. M. Braithwaite and S. R. Leone, Pulsed kinetic studies of laser excited molecular states, Proceedings of the 1977 Electro-Optics Laser Conference (1977), p. 582.


  23. H. Hofmann and S. R. Leone, Collisional deactivation of laser-excited Br*(2P1/2) atoms with halogen and interhalogen molecules, Chem. Phys. Lett. 54, 314 (1978).


  24. H. Hofmann and S. R. Leone, Quenching and reactions of laser-excited I(52P1/2) atoms with halogen and interhalogen molecules, J. Chem. Phys. 69, 641 (1978).


  25. M. Braithwaite and S. R. Leone, Laser-initiated chemical reactions: Cl + H2S ® HCl + HS:Rate constant, product energy distribution, and direct detection of a chain mechanism, J. Chem. Phys. 69, 839 (1978).


  26. H. Hofmann and S. R. Leone, Tunable laser photodissociation of HgI2: Quantum yield for formation of excited I(52P/12) atoms, J. Chem. Phys. 69, 3819 (1978).


  27. A. B. Horwitz and S. R. Leone, Laser-excited resonant, isotopic V®V energy transfer:  H35Cl-H37Cl, H79Br-H81Br, D35Cl-D37Cl, D79Br-D81Br, J. Chem. Phys. 69, 5319 (1978).


  28. S. L. Baughcum and S. R. Leone, Free radical studies by excimer laser ultraviolet photolysis, SPIE Proceedings Vol. 158 (1978), p. 29.


  29. S. L. Baughcum, H. Hofmann, S. R. Leone and D. J. Nesbitt, Photofragmentation dynamics and reactive collisions of laser-excited electronic states, Faraday Disc. 67, 306 (1979).


  30. A. B. Horwitz and S. R. Leone, Temperature dependence of resonant isotopic vibrational energy transfer, J. Chem. Phys. 70, 4916 (1979).


  31. A. B. Horwitz and S. R. Leone, Versatile, isotopically selective hydrogen halide TEA pin laser, Rev. Sci. Instrum. 50, 811 (1979).


  32. W. H. Pence and S. R. Leone, New atomic and molecular lasers and their application to the study of collision physics, in International Conference on the Physics of Electronic and Atomic Collisions, ICPEAC 1979, edited by N. Oda and K. Takayanagi (North Holland, 1980), p. 773.


  33. D. J. Nesbitt and S. R. Leone, Laser-initiated chemical chain reactions, J. Chem. Phys. 72, 1722 (1980).


  34. T. S. Zwier, V. M. Bierbaum, G. B. Ellison and S. R. Leone, Vibrational product state distributions of ion-molecule reactions by infrared chemiluminescence:  Cl- + HBr, HI ®HCl(v) + Br-,I-, J. Chem. Phys. 72, 5426 (1980).


  35. S. L. Baughcum and S. R. Leone, Photofragmentation infrared emission spectroscopy of vibrationally excited free radicals CH3 and CH2I, J. Chem. Phys. 72, 6531 (1980).


  36. T. S. Zwier, M. M. Maricq, C. J. S. M. Simpson, V. M. Bierbaum, G. B. Ellison and S. R. Leone, Direct detection of the product vibrational-state distribution in the associative detachment reaction Cl- + H ®HCl(v) + e, Phys. Rev. Lett. 44, 1050 (1980).


  37. D. J. Nesbitt and S. R. Leone, Laser-induced gas phase chain chemistry, in Proceedings of the Technical Program, Electro-Optics/Laser 79 Conference and Exposition, (1979), p. 281.


  38. D. J. Nesbitt and S. R. Leone, Br*(2P1/2) + H2(v=0,1):  Laser studies of the competition between reactive pathways and inelastic energy transfer channels, J. Chem. Phys. 73, 6182 (1980).


  39. S. R. Leone, Photofragment dynamics, in Dynamics of the Excited State, Advances in Chemical Physics, Vol. 50, edited by K. Lawley (Wiley, New York, 1982), p. 255.


  40. W. H. Pence and S. R. Leone, Laser studies of electronic excitation transfer in atomic calcium:  Ca(4s5p 1P1)+Ar «Ca(4s5p3P2,1,0)+Ar, J. Chem. Phys. 74, 5707 (1981).


  41. J. B. Koffend and S. R. Leone, Tunable laser photodissociation:  Quantum yield of I*(2P1/2) from CH2I2, Chem. Phys. Lett. 81, 136 (1981).


  42. S. L. Bernasek and S. R. Leone, Direct detection of vibrational excitation in the CO2 product of the oxidation of CO on a platinum surface, Chem. Phys. Lett. 84, 401 (1981).


  43. J. C. Weisshaar, T. S. Zwier and S. R. Leone, Nascent product vibrational state distributions of ion-molecule reactions:  The proton transfer reactions F- + HX ®HF(v) + X-, X = Cl, Br, I, J. Chem. Phys. 75, 4873 (1981).


  44. T. S. Zwier, J. C. Weisshaar and S. R. Leone, Nascent product vibrational state distributions of ion-molecule reactions:  The associative detachment reaction F- + H ®HF(v) + e-, J. Chem. Phys. 75, 4885 (1981).


  45. W. H. Pence, S. L. Baughcum and S. R. Leone, Laser UV photofragmentation of halogenated molecules:  Selective bond dissociation and wavelength specific quantum yields for excited I(2P1/2) and Br(2P1/2) atoms, J. Phys. Chem. 85, 3844 (1981).


  46. F. Magnotta, D. J. Nesbitt and S. R. Leone, Excimer laser photolysis studies of translational-to-vibrational energy transfer, Chem. Phys. Lett. 83, 21 (1981).


  47. D. J. Nesbitt and S. R. Leone, Laser initiated chain reactions:  A generalized extension to complex chemical chain systems, J. Chem. Phys. 75, 4949 (1981).


  48. S. L. Baughcum and S. R. Leone, Laser photodissociation of Hg(CH3)2:  Infrared emission studies of vibrational and rotational excitation in the CH3 fragments, Chem. Phys. Lett. 89, 183 (1982).


  49. H. W. Hermann and S. R. Leone, Photofragment infrared emission spectroscopy:  Vibrational progression and potential parameters of the CH3 (n2) 'umbrella' mode, J. Chem. Phys. 76, 4759 (1982).


  50. H. W. Hermann and S. R. Leone, Photofragmentation dynamics of CH3I at 248 and 266 nm:  Vibrational distributions in the CH3 (n2) 'umbrella' mode, J. Chem. Phys. 76, 4766 (1982).


  51. D. J. Nesbitt and S. R. Leone, Infrared fluorescence studies of intramolecular vibrational relaxation in C1-C4 hydrocarbons following pulsed laser excitation of the first CH overtone, Chem. Phys. Lett. 87, 123 (1982).


  52. S. R. Leone, A compilation of rate coefficients for vibrational energy transfer involving hydrogen halides, J. Phys. Chem. Ref. Data 11, 953 (1982).


  53. S. R. Leone, Infrared fluorescence:  A versatile probe of state-selected chemical dynamics, Acc. Chem. Research 16, 88 (1983).


  54. D. A. Dolson and S. R. Leone, Slow chain reactions of Br2 and Cl2 with HI: Multiple state analysis and vibrational relaxation of HBr(v=2) and HCl(v=1-4), J. Chem. Phys. 77, 4009 (1982).


  55. D. J. Nesbitt and S. R. Leone, Laser initiated Cl2/Hydrocarbon chain reactions:  Time-resolved infrared emission spectra of product vibrational excitation, J. Phys. Chem. 86, 4962 (1982).


  56. C. E. Hamilton, M. A. Duncan, T. S. Zwier, J. C. Weisshaar, G. B. Ellison, V. M. Bierbaum and S. R. Leone, Product vibrational analysis of ion-molecule reactions by laser-induced fluorescence in a flowing afterglow:  O- + HF ® OH(v=0,1) + F-, Chem. Phys. Lett. 94, 4 (1983).


  57. M. A. Smith and S. R. Leone, Product vibrational state distributions in thermal energy associative detachment reactions:  F- + H,D ® HF(v), DF(v) + e-, J. Chem. Phys. 78, 1325 (1983).


  58. V. M. Bierbaum, G. B. Ellison and S. R. Leone, Flowing afterglow studies of ion reaction dynamics using infrared chemiluminescence and laser-induced fluorescence, in Gas Phase Ion Chemistry, Vol. 3, Ions and Light, edited by M. T. Bowers (Academic Press, New York, 1984), p. 1.


  59. M. A. Smith, V. M. Bierbaum and S. R. Leone, Infrared chemiluminescence from vibrationally excited NO+:  Product branching in the N+ + O2 ion-molecule reaction, Chem. Phys. Lett. 94, 398 (1983).


  60. C. A. Wight and S. R. Leone, Excimer laser photolysis studies of translational-to vibrational energy transfer in collisions of H and D atoms with CO, J. Chem. Phys. 78, 4875 (1983).


  61. D. R. Guyer, L. Hüwel and S. R. Leone, Single collision ion-molecule reactions at thermal energy:  Rotational and vibrational distributions from N+ + CO ® N + CO+, J. Chem. Phys. 79, 1259 (1983).


  62. J. E. Smedley and S. R. Leone, Relative quantum yield of I*(2P1/2) in the tunable laser UV photodissociation of i-C3F7I and n-C3F7I:  Effect of temperature and exciplex emission, J. Chem. Phys. 79, 2687 (1983).


  63. M. O. Hale and S. R. Leone, Laser excited, state detected calcium-rare gas collisional energy transfer:  Ca(4s5p 1P1) spin changing and Ca(4s5p 3P1) fine structure changing cross sections, J. Chem. Phys. 79, 3352 (1983).


  64. C. A. Wight and S. R. Leone, Vibrational state distributions and absolute excitation efficiencies for T-V transfer collisions of NO and CO with H atoms produced by excimer laser photolysis, J. Chem. Phys. 79, 4823 (1983).


  65. R. Klein, R. P. McGinnis and S. R. Leone, Photodetachment threshold of CN- by laser optogalvanic spectroscopy, Chem. Phys. Lett. 100, 475 (1983).


  66. M. A. Duncan, V. M. Bierbaum, G. B. Ellison and S. R. Leone, Laser-induced fluorescence studies of ion collisional excitation in a drift field:  Rotational excitation of N2+ in helium, J. Chem. Phys. 79, 5448 (1983).


  67. C. A. Wight and S. R. Leone, Reinvestigation of the I* yield in the 193 nm photodissociation of 1,2-C2F4IBr, J. Phys. Chem. 87, 5299 (1983).


  68. H. K. Haugen, W. H. Pence and S. R. Leone, Infrared double resonance spectroscopy of V-T,R relaxation of HF(v=1):  Direct measurement of the high-J populations, J. Chem. Phys. 80, 1839 (1984).


  69. C. E. Hamilton, V. M. Bierbaum and S. R. Leone, Vibrational energy disposal in polyatomic ion-molecule reactions:  SF6- + H,D ® SF5- + HF(v),DF(v), J. Chem. Phys. 80, 1831 (1984).


  70. L. J. Kovalenko and S. R. Leone, Laser studies of methyl radical reactions with Cl2 and Br2:  Absolute rate constants, product vibrational excitation, and hot radical reactions, J. Chem. Phys. 80, 3656 (1984).


  71. S. R. Leone, State-resolved molecular reaction dynamics, Ann. Rev. Phys. Chem. 35, 109 (1984).


  72. H. K. Haugen and S. R. Leone, Infrared double-resonance spectroscopy of V-T,R relaxation of HF(v=1) using an F-center laser, in Proceedings of the International Conference on Lasers 83, edited by R. C. Powell (STS Press, McLean, VA, 1983), p. 189.


  73. C. A. Wight, F. Magnotta and S. R. Leone, Vibrational energy disposal in reactive and inelastic collisions of H(D) + HCl(DCl) at 1 to 3 eV, J. Chem. Phys. 81, 3951 (1984).


  74. L. Hüwel, D. R. Guyer, G.-H. Lin and S. R. Leone, Laser-induced fluorescence measurement of nascent vibrational and rotational product state distributions in the charge transfer of Ar+ + N2 ®Ar + N2+(v=0,1) at 0.2 eV, J. Chem. Phys. 81, 3520 (1984).


  75. M. O. Hale and S. R. Leone, Laser studies of near resonant state-changing collisions of calcium (4s6s 1S0) with the rare gases, Phys. Rev. A 31, 103 (1985).


  76. S. R. Leone, Laser probing of chemical reaction dynamics, Science 227, 889 (1985).


  77. M. O. Hale, I. V. Hertel and S. R. Leone, Effects of orbital alignment on inelastic collisions of Ca(4s5p 1P1) with helium, Phys. Rev. Lett. 53, 2296 (1984).


  78. K. L. Carleton, K. H. Welge and S. R. Leone, Detection of nitrogen rotational distributions by resonant 2 + 2 multiphoton ionization through the a 1Pg state, Chem. Phys. Lett. 115, 492 (1985).


  79. C. A. Wight, D. J. Donaldson and S. R. Leone, A two-laser pulse-and-probe study of T-R,V collisions in H + NO at 1 and 2.2 eV, J. Chem. Phys. 83, 660 (1985).


  80. G.-H. Lin, J. Maier and S. R. Leone, Nascent vibrational and rotational distributions from the charge transfer reaction Ar+ + CO ®CO+ + Ar at near thermal energy, J. Chem. Phys. 82, 5527 (1985).


  81. H. K. Haugen, E. Weitz and S. R. Leone, Effect of spin-orbit excitation on reactivity:  Laser transient absorption spectroscopy of Br(2P1/2, 2P3/2) + IBr reactive dynamics, Chem. Phys. Lett. 119, 75 (1985).


  82. C. E. Hamilton, V. M. Bierbaum and S. R. Leone, Product vibrational state distributions of thermal energy charge transfer reactions determined by laser induced fluorescence:  N+ + CO ® N + CO+(v=0-2), J. Chem. Phys. 83, 601 (1985).


  83. C. E. Hamilton, V. M. Bierbaum and S. R. Leone, Product vibrational state distributions of thermal energy charge transfer reactions determined by laser induced fluorescence in a flowing afterglow:  Ar+ + CO ® CO+(v=0-6) + Ar, J. Chem. Phys. 83, 2284 (1985).


  84. C. E. Hamilton and S. R. Leone, Nascent Product Vibrational State Distributions of Thermal Ion-Molecule Reactions Determined by Infrared Chemiluminescence, in Gas-Phase Chemiluminescence and Chemi-Ionization, edited by A. Fontijn (North-Holland, 1985), p. 139.


  85. H. K. Haugen, E. Weitz and S. R. Leone, Accurate quantum yields by laser gain vs absorption spectroscopy:  Investigation of Br/Br* channels in photofragmentation of Br2 and IBr, J. Chem. Phys. 83, 3402 (1985).


  86. A. O. Langford, V. M. Bierbaum and S. R. Leone, Flowing afterglow infrared chemiluminescence studies of vibrational energy disposal in the ion-molecule reactions F- + HBr, DBr ® HF, DF + Br-, J. Chem. Phys. 83, 3913 (1985).


  87. A. O. Langford, V. M. Bierbaum and S. R. Leone, Auroral implications of recent measurements on O(1S) and O(1D) formation in the reaction of N+ with O2, Planet. Space Sci. 33, 1225 (1985).


  88. D. Neuschäfer, M. O. Hale, I. V. Hertel and S. R. Leone, Energy transfer processes of aligned excited states of Ca atoms, in Electronic and Atomic Collisions, edited by D. C. Lorents, W. E. Meyerhof and J. R. Petersen (Elsevier, Amsterdam, 1986), p. 585.


  89. D. J. Donaldson and S. R. Leone, Absolute rate coefficients for methyl radical reactions by laser photolysis, time-resolved infrared fluorescence: CD3 + HX ®CD3H + X (X=Br, I), J. Phys. Chem. 90, 936 (1986).


  90. A. O. Langford, V. M. Bierbaum and S. R. Leone, Branching ratios for electronically excited oxygen atoms formed in the reaction of N+ with O2 at 300 K, J. Chem. Phys. 84, 2158 (1986).


  91. G. H. Lin, J. Maier and S. R. Leone, Nascent rotational and vibrational product state distribution in the charge transfer reaction of N+ + CO ®CO+ + N at near thermal energy, J. Chem. Phys. 84, 2180 (1986).


  92. W. P. Hess, S. J. Kohler, H. K. Haugen and S. R. Leone, Application of an InGaAsP diode laser to probe photodissociation dynamics:  I* quantum yields from n- and i-C3F7I and CH3I by laser gain vs. absorption spectroscopy, J. Chem. Phys. 84, 2143 (1986).


  93. G. H. Lin, J. Maier and S. R. Leone, Nascent rotational distribution of the minor v=0 channel in the N2+ product of the Ar+ + N2 charge transfer reaction at near thermal energy, Chem. Phys. Lett. 125, 557 (1986).


  94. D. J. Donaldson and S. R. Leone, Photofragmentation dynamics of acetone at 193 nm:  State distributions of the CH3 and CO fragments by time- and wavelength-resolved infrared emission, J. Chem. Phys. 85, 817 (1986).


  95. J. E. Smedley, W. P. Hess, H. K. Haugen and S. R. Leone, Transient gain-versus absorption laser probing of spin-orbit states, kinetics and dynamics, J. Chem. Phys. 84, 385 (1987).


  96. D. J. Donaldson and S. R. Leone, Time-resolved FTIR photofragment emission spectroscopy:  HCl vibrational distributions from the 193 nm photolysis of chloroethylenes, Chem. Phys. Lett. 132, 240 (1986). 


  97. R. W. Schwenz and S. R. Leone, Near resonant collisional energy transfer in Sr(5s6p 1P1)-rare gas systems, Chem. Phys. Lett. 133, 433 (1987).


  98. V. M. Bierbaum and S. R. Leone, Optical studies of product state distributions in thermal energy ion-molecule reactions, in Proceedings of the NATO ASI, Structure/Reactivity and Thermochemistry of Ions, edited by P. Ausloos (D. Reidel, Boston, 1987), p. 23.


  99. W.P. Hess and S. R. Leone, Absolute I* quantum yields for the ICN Ã state by diode laser gain versus absorption spectroscopy, J. Chem. Phys. 86, 3773 (1987).


  100. K. L. Carleton and S. R. Leone, Laser probing of gallium spin orbit state desorption and scattering from silicon (100) surfaces, Proc. of the Industry University Advanced Materials Conference, Denver 1987, edited by J. G. Morse (The Metallurgical Society, Inc., Warrendale, PA, 1987), p. 9.


  101. H. K. Haugen, W. P. Hess and S. R. Leone, Application of semiconductor lasers to probe photodissociation dynamics, AIP Conf. Proc. 160 (Adv. Laser Sci.-2), 566 (1987).


  102. J. E. Smedley, H. K. Haugen and S. R. Leone, Collision-induced dissociation of laser-excited Br2[B3P(Ou+);v'J']:  Formation of Br(2P1/2) + Br(2P3/2) at energies 1-5 kT below dissociation, J. Chem. Phys. 86, 6801 (1987).


  103. L. M. Cousins and S. R. Leone, T-V energy transfer and chemical reactions of laser-produced hot H and D atoms, Radiochim. Acta 43, 107 (1988).


  104. D.A. Dolson and S. R. Leone, A reinvestigation of the laser initiated Cl2/HBr chain reaction:  Absolute rate constants and the v=2/v=1 ratio from Cl + HBr ® HCl(v) + Br, J. Phys. Chem. 91, 3543 (1987).


  105. L. M. Cousins and S. R. Leone, T-V energy transfer and the exchange reaction of H(D) + HF at 2.2(2.1) eV:  Vibrational state distributions by time and wavelength resolved infrared fluorescence, J. Chem. Phys. 86, 6731 (1987).


  106. K.L. Carleton and S. R. Leone, Laser probing of gallium atom interactions with silicon (100) surfaces, J. Vac. Sci. Tech. B 5, 1141 (1987).


  107. W. Bussert, D. Neuschäfer and S. R. Leone, The effect of orbital alignment on the forward and reverse electronic energy transfer Ca(4s5p 1P1) + M « Ca(4s5p 3PJ) + M with rare gases, J. Chem. Phys. 87, 3833 (1987).


  108. W. Bussert and S. R. Leone, Orbital alignment effects on the Ca(4s5p 1P1) to Ca(4s5p 3PJ) electronic energy transfer with molecular collision partners, Chem. Phys. Lett. 138, 269 (1987).


  109. W. Bussert and S. R. Leone, State-specific orbital alignment effects in electronic energy transfer:  Sr(5s6p 1P1) + M ®Sr(5s6p 3PJ, 4d5p 3F4, 3F3) + M, Chem. Phys. Lett. 138, 276 (1987).


  110. R. A. Dressler, H. Meyer and S. R. Leone, Laser probing of the rotational alignment of N2+ drifted in helium, J. Chem. Phys. 87, 6029 (1987).


  111. J. E. Smedley, H. K. Haugen and S. R. Leone, Laser determinations of 'hot band' quantum yields:  Br*(2P1/2) formation in the continuum absorption of Br2 at 510-550 nm, J. Chem. Phys. 87, 2700 (1987).


  112. D. J. Donaldson and S. R. Leone, Laser photolysis, infrared fluorescence determination of CH3(n3) vibrational deactivation by the He, Ar, N2, CO, SF6 and (CH3)2CO, J. Phys. Chem. 91, 3128 (1987).


  113. L. J. Kovalenko and S. R. Leone, Innovative laser techniques in chemical kinetics:  A pedagogical survey, J. Chem. Ed. 65, 681 (1988).


  114. S.R. Leone and V. M. Bierbaum, Laser probing of product state distributions in thermal energy ion-molecule reactions, Disc. Faraday Soc. 84, 253 (1987).


  115. D. M. Sonnenfroh and S. R. Leone, A rotationally resolved LIF study of the N2+ products of the thermal energy Penning ionization reaction:  Ne*(3P2) + N2, J. Chem. Phys. 87, 5041 (1987).


  116. H. Meyer and S. R. Leone, Steady state model for the collision induced rotational alignment of molecular ions in electric drift fields, Mol. Phys. 63, 705 (1988).


  117. R. A. Dressler, H. Meyer, A. O. Langford, V. M. Bierbaum and S. R. Leone, Direct observation of Ba+ velocity distributions in a drift tube using single frequency laser-induced fluorescence, J. Chem. Phys. 87, 5578 (1987).


  118. D. M. Sonnenfroh and S. R. Leone, Bimodal rotational distributions of N2+ produced in the thermal energy Penning ionization of N2 by Ne*(3P2), Int. J. Mass. Spectrosc. Ion Proc. 80, 63 (1987).


  119. S. R. Leone, Alignment effects in electronic energy transfer and reactive events, in Selectivity in Chemical Reactions, Proceedings of the NATO ASI Series C:  Mathematical and Physical Sciences Selectivity in Chemical Reactions, edited by J. C. Whitehead (Kluwer Academic Publ., Dordrecht, 1988), p. 245.


  120. K. L. Carleton, B. Bourguignon and S. R. Leone, Desorption of a two-state system:  Laser probing of gallium atom spin-orbit states from silicon (100), Surf. Sci. 199, 447 (1988).


  121. W. P. Hess, R. Naaman and S. R. Leone, Nonunity I* quantum yield in the 193-nm photodissociation of methyl iodide, J. Phys. Chem. 91, 6085(1987).


  122. T. R. Fletcher and S. R. Leone, Rotationally resolved product states of polyatomic photofragmentation by time-resolved FTIR emission:  HF elimination from 1,1-CH2CClF at 193 nm, J. Chem. Phys. 88, 4720 (1988).


  123. B.Bourguignon and S. R. Leone, Surface structure and growth mechanism of Ga on Si(l00), in Symposium on Atomic and Surface Physics '88:  Contributions (Inst. de Recherche Fondamentale, 1988), p. 228.


  124. E. L. Woodbridge, T. R. Fletcher and S. R. Leone, Photofragmentation of acetone at 193 nm:  Rotational and vibrational-state distributions of the CO fragment by time-resolved FTIR emission spectroscopy, J. Phys. Chem. 92, 5387 (1988).


  125. T. R. Fletcher and S. R. Leone, Time-resolved FTIR emission studies of molecular photofragmentation initiated by a high repetition rate excimer laser, in Advances in Laser Science - III, Proceedings of the Third International Laser Science Conference, AIP Conf. Proc. No. 172 (A. C. Tam, J. L. Gole and W. C. Stwalley, Eds., Am. Instit. of Phys. New York, 1988), p. 596.


  126. C. A. Taatjes and S. R. Leone, Laser double-resonance measurements of rotational relaxation rates of HF(J=13) with rare gases, H2, and D2, J. Chem. Phys. 89, 302 (1988).


  127. K. Knutsen, V. M. Bierbaum and S. R. Leone, Remeasurement of the rate constant and branching ratio for the N2+ + O reaction, Planet. Space Sci. 36, 307 (1988).


  128. K. L. Carleton, B. Bourguignon, R. V. Smilgys, D. J. Oostra and S. R. Leone, Laser probing of the dynamics of Ga interactions on Si(100), Mat. Res. Soc. Symp. Proc. Vol. 116 (1988), pp. 45-50.


  129. S. R. Leone, Laser probing of ion collisions in drift fields:  State excitation, velocity distributions, and alignment effects, in Bimolecular Collisions, edited by M. N. R. Ashfold and J. E. Baggott, Royal Society of Chemistry Series, Advances in Gas-Phase Photo-chemistry and Kinetics, 377 (1989).


  130. B. Bourguignon, K. L. Carleton and S. R. Leone, Surface structures and growth mechanism of Ga on Si(100) determined by LEED and Auger electron spectroscopy, Surface Sci. 204, 455 (1988).


  131. B. Bourguignon, R. V. Smilgys and S. R. Leone, AES and LEED studies correlating desorption energies with surface structures and coverages for Ga on Si(100), Surface Sci. 204, 473 (1988).


  132. L. M. Cousins and S. R. Leone, Production of 0.1-3 eV reactive molecules by laser vaporization of condensed molecular films:  A potential source for beam surface interactions, J. Materials Res. 3, 1158 (1988).


  133. R. A. Dressler, J. P. M. Beijers, H. Meyer, S. M. Penn, V. M. Bierbaum and S. R. Leone, Laser probing of ion velocity distributions in drift fields:  Parallel and perpendicular temperatures and mobility for Ba+ in He, J. Chem. Phys. 89, 4707 (1988).


  134. T. R. Fletcher and S. R. Leone, Photodissociation dynamics of C2H2 at 193 nm:  Vibrational distributions of the CCH radical and the rotational state distribution of the Ã(010) state by time-resolved Fourier transform infrared emission, J. Chem. Phys. 90, 871 (1989).


  135. K. C. Lin, P. D. Kleiber, J. X. Wang, W. C. Stwalley and S. R. Leone, Alignment effects in Ca-He (51P1 - 53PJ) spin-changing collisions by far wing laser scattering, J. Chem. Phys. 89, 4771 (1988).


  136. K. Yamasaki and S. R. Leone, Quenching and energy transfer processes of single rotational levels of Br2 B3P(Ou+) v'=24 with Ar under single collision conditions, J. Chem. Phys. 90, 964 (1989).


  137. D. M. Sonnenfroh and S. R. Leone, A laser-induced fluorescence study of product rotational state distributions in the charge transfer reaction:Ar+(2P3/2)+ N2 ®Ar + N2+(X) at 0.28 and 0.40 eV, J. Chem. Phys. 90, 1677(1989).


  138. L. M. Cousins and S. R. Leone, Time-of-flight measurements of hyper-thermal Cl2 molecules produced by UV laser vaporization of cryogenic chlorine films, Chem. Phys. Lett. 155, 162 (1989).


  139. L.M. Cousins, R. J. Levis, and S. R. Leone, Observation of translationally hot, rotationally cold NO molecule produced by 193-nm laser vaporization of multilayer NO films, J. Phys. Chem. 93, 5325 (1989).


  140. L. J. Kovalenko, R. L. Robinson and S. R. Leone, Alignment effects involving multiple pathways:  Electronic energy transfer of Sr 5s6p 1P1 with rare gases, J. Chem. Soc. Faraday Trans. 2, 85(8), 939 (1989).


  141. S. R. Leone, Molecular collisions, 1990 McGraw-Hill Yearbook of Science and Technology 210, McGraw Hill (1989).


  142. S. R. Leone, T. R. Fletcher and E. L. Woodbridge, Pulsed time-resolved Fourier transform infrared emission spectroscopy, in 1989 Technical Digest on High Resolution Fourier Transform Spectroscopy (Optical Society of America, 1989).


  143. D. J. Oostra, R. V. Smilgys and S. R. Leone, Interaction of In atom spin-orbit states with Si(100) surfaces, in Chemical Perspectives of Microelectronic Materials, (Materials Research Society Proceedings, 1989), Vol. 131, p. 239.


  144. S. R. Leone, Time-resolved FTIR emission studies of molecular photo fragmentation, Acc. Chem. Res. 22, 139 (1989).


  145. K. C. Lin, S. Ananthamurphy, P. D. Kleiber, J. X. Wang, W. C. Stwalley and S. R. Leone, Alignment effects in Ca-He (51P1 - 53PJ) energy transfer half collisions, in Advances in Laser Science - IV, Proceedings of the Fourth International Laser Science Conference, AIP Conf. Proc. 191 (J. L. Gole et al, Eds., Am. Instit. of Phys., New York, 1989), pp. 630-633.


  146. L. J. Kovalenko, S. R. Leone and J. B. Delos, Mechanism of collisionally-induced transitions among fine-structure levels:  Semiclassical calculations of alignment effects in the Na-He system, J. Chem. Phys. 91, 6948 (1989).


  147. G. C. Schatz, L. J. Kovalenko and S. R. Leone, A coupled channel quantum scattering study of alignment effects in Na(2P3/2) + He ® Na(2P1/2) + He collisions, J. Chem. Phys. 91, 6961 (1989).


  148. L. M. Cousins, R. J. Levis, and S. R. Leone, Translational and internal state distributions of NO produced in the 193 nm explosive vaporization of cryogenic NO films:  Rotationally cold, translationally fast NO molecules, J. Chem. Phys. 91, 5731 (1989).


  149. D. J. Oostra, R. V. Smilgys, and S. R. Leone, Initial stages of heteroepitaxial growth of InAs on Si(100), Appl. Phys. Lett. 55, 1333 (1989).


  150. R. L. Robinson, L. J. Kovalenko, and S. R. Leone, Distinct alignment effects for Y2,0 vs. Y2,±1 angular wave functions observed in collisions of an atomic Ca D state, Phys. Rev. Lett. 64, 388 (1990).


  151. D. J. Oostra, R. V. Smilgys, and S. R. Leone, Spin-orbit state specific laser probing of the desorption kinetics and islanding behavior of In on Si(100), Surf. Sci. 226, 226 (1990).


  152. R. J. Levis, C. J. Waltman, L. M. Cousins, R. G. Copeland and S. R. Leone, A hyperthermal (0.1-4 eV) F atom beam source suitable for surface etching investigations, J. Vac. Sci. Technol. A 8, 3118 (1990).


  153. R. L. Robinson, L. J. Kovalenko, C. J. Smith and S. R. Leone, Individual cross sections for 1D2 sublevels (ML=0,±1,±2) in the alignment-dependent process:  Ca(4p2  1D2) + Rg ® Ca(3d4p 1F3) + Rg as a function of rare gas, J. Chem. Phys. 92, 5260 (1990).


  154. R. V. Smilgys and S. R. Leone, State-resolved laser probing of As2 in a molecular-beam epitaxy reactor, J. Vac. Sci. Technol. B 8, 416 (1990).


  155. S. R. Leone, Novel laser gain and time-resolved FTIR studies of photochemistry, in Proceedings, First International Conference on Laboratory Research for Planetary Atmospheres, Bowie State University, Maryland, edited by K. Fox, J. E. Allen, Jr., L. J. Stief and D. T. Quillen (NASA, 1990), p. 129.


  156. S. R. Leone, Laser probing of III-V semiconductor growth on Si(100), in Proceedings of the Society of Photo-Optical Instrumentation Engineers, SPIE Vol. 1208 Laser Photoionization and Desorption Surface Analysis Techniques (1990) p. 11.


  157. R. V. Smilgys, D. J. Oostra and S. R. Leone, A study of GaAs-Si(100) interface using laser probing of thermal desorption kinetics, J. Vac. Sci. Technol. B 8, 1102 (1990).


  158. P. J. Miller, S. A. Rogers, J. Senekowitsch, S. V. O'Neil, S. R. Leone, H. J. Werner and P. J. Knowles, Multireference-configuration interaction (MR-CI) calculations on HS2+ and experimental observation via electron impact ionization of H2S, Int. J. Mass Spectrom. Ion Processes 100, 505 (1990).


  159. S. A. Rogers, P. J. Miller, S. R. Leone and B. Brehm, Observation of the NF2+ dication in the electron impact ionization mass spectrum of NF3, Chem. Phys. Lett.  166, 137 (1990).


  160. S. M. Penn, J. P. M. Beijers, R. A. Dressler, V. M. Bierbaum, and S. R. Leone, Laser-induced fluorescence measurements of drift-velocity distributions for Ba+ in Ar:  Moment analysis and a direct measure of skewness, J. Chem. Phys. 93, 5118 (1990).


  161. J. I. Cline, C. A. Taatjes, and S. R. Leone, Diode laser probing of I*(2P1/2) Doppler profiles:  Time Evolution of a fast, anisotropic velocity distribution in a thermal bath, J. Chem. Phys. 93, 6543 (1990).


  162. C. A. Taatjes, J. I. Cline, and S. R. Leone, A generalized method for Doppler determination of cylindrically symmetric velocity distributions:  An application of Fourier transform Doppler spectroscopy, J. Chem. Phys. 93, 6554 (1990).


  163. E. L. Woodbridge, M. N. R. Ashfold, and S. R. Leone, Photodissociation of ammonia at 193.3 nm: Rovibrational state distribution of the NH22A1)fragment, J. Chem. Phys. 94, 4195 (1991).


  164. H. C. Miller, K. Yamasaki, J. E. Smedley, and S. R. Leone, An optically pumped ultraviolet laser on SO(B3S- - X3S-), Chem. Phys. Lett. 181, 250 (1991).


  165. J. I. Cline, C. A. Taatjes, and S. R. Leone, Diode laser probe of I* 2P1/2:  Doppler measurements of velocity distributions, Proceedings, AIAA 22nd Fluid Dynamics, Plasma Dynamics and Lasers Conference, Honolulu, HI, 1991.


  166. J.I. Cline and S. R. Leone, Temperature dependence of the quenching of I*(2P3/2)by I2 from 300 to 800 K, J. Phys. Chem. 95, 2917 (1991).


  167. C. P. Lauenstein, M. J. Bastian, V. M. Bierbaum, S. M. Penn, and S. R. Leone, Laser-induced fluorescence measurements of rotationally resolved velocity distributions for CO+ drifted in He, J. Chem. Phys. 94, 7810 (1991).


  168. J. P. J. Driessen, C. J. Smith, and S. R. Leone, Relative cross sections for Ca(1F3) sublevels (|M| = 0,1,2,3) through alignment effects in collisional energy transfer: Ca(4s4f,1F3)+Rg ® Ca(4p2,1S0)+Rg as a function of rare gas, J. Phys. Chem. 95, 8163 (1991).


  169. C. A. Taatjes, C. M. Lovejoy, B. J. Opansky, and S. R. Leone, Laser double resonance measurements of the quenching rates of Br(2P1/2) with H2O, D2O, HDO, and O2, Chem. Phys. Lett. 182, 39 (1991).


  170. J. P. J. Driessen, C. J. Smith, and S. R. Leone, Alignment effects of |J=3> states prepared by three photon excitation: Six-fold symmetry in collisional energy transfer: Ca(4s4f,1F3) + He ®Ca(4p2,1S0) + He, Phys. Rev. A 44, R1431 (1991).


  171. C. A. Taatjes and S. R. Leone, Laser double-resonance studies of low temperature rotational and vibrational relaxation of HF:  Rates for HF(J=13) + HF from 225 to 298 K and detection of HF(v=1) deactivation by HF clusters at 210-240 K, J. Phys. Chem. 95, 5870 (1991).


  172. R. L. Pastel, G. D. Hager, H. C. Miller, and S. R. Leone, Efficient Br* laser pumped by frequency doubled Nd:YAG and electronic-to-vibrational transfer-pumped CO2 and HCN lasers, Chem. Phys. Lett. 183, 565 (1991).


  173. K. Knutsen, V. M. Bierbaum, and S. R. Leone, Effect of enhanced collision energy on product vibrational excitation for the proton transfer reaction: O- + HF ® F- + OH(v=0,1), J. Chem. Phys. 96, 298 (1992).


  174. F. X. Campos, G. C. Weaver, C. J. Waltman, and S. R. Leone, Enhanced etching of Si(100) by neutral chlorine beams with kinetic energies up to 6 eV, J. Vac. Sci. Technol. B 10, 2217 (1992).


  175. S. R. Leone, Orbital stereochemistry: Discovering the symmetries of collision processes, Acc. Chem. Research 25, 71 (1992).


  176. P. W. Seakins and S. R. Leone, A laser flash photolysis/time resolved FTIR emission study of a new channel in the reaction of CH3 + O: The production of CO(v), J. Phys. Chem. 96, 4478 (1992).


  177. P. G. Strupp, A. L. Alstrin, B. J. Korte, and S. R. Leone, Pulsed laser irradiation at 532 nm of In and Ga adsorbed on Si(100): Desorption, incorporation, and damage, J. Vac. Sci. Technol. A 10, 508 (1992).


  178. C. M. Lovejoy, L. Goldfarb, and S. R. Leone, Preferential in-plane rotational excitation of H2O (001) by translational-to-vibrational transfer from 2.2 eV H atoms, J. Chem. Phys. 96, 7180 (1992).


  179. J. P. J. Driessen and S. R. Leone, n-Vector correlations in collision dynamics with atomic orbital alignment: The importance of coherence for n³3, J. Phys. Chem. 96, 6136 (1992).


  180. C. J. Smith, J. P. J. Driessen, L. Eno, and S. R. Leone, Laser preparation and probing of initial and final orbital alignment in collision-induced energy transfer: Ca(4s5p,1P1)+He ® Ca(4s5p,3P2)+He, J. Chem. Phys. 96, 8212 (1992).


  181. K. Knutsen, V. M. Bierbaum, and S. R. Leone, Thermal energy reactions of OH- + Cl2, Br2: Rate coefficients, product branching fractions, and OH product vibrational populations, Int. J. Mass Spectrom. Ion Processes 117, 537 (1992).


  182. A. L. Alstrin, R. V. Smilgys, P. G. Strupp, and S. R. Leone, Vibrational distributions of As2 in the cracking of As4 on Si(100) and Si(111), J. Chem. Phys. 97, 6864 (1992).


  183. R. deVivie-Riedle, J. P. J. Driessen, and S. R. Leone, Three-vector correlation study of orientation and coherence effects in Na(3p,2P1/2®2P3/2)+He: semiclassical and quantum calculations, J. Chem. Phys. 98, 2038 (1993).


  184. S. A. Rogers, S. D. Price, and S. R. Leone, Charge transfer and collision-induced dissociation reactions of CO++ with the rare gases at Elab=49 eV, J. Chem. Phys. 98, 280 (1993).


  185. P. G. Strupp, A. L. Alstrin, B. J. Korte, and S. R. Leone, Laser-induced desorption of In and Ga from Si(100) and adsorbate enhanced surface damage,  Materials Research Society Proceedings, 1992, Vol. 236, p. 27.


  186. F. X. Campos, G. C. Weaver, C. J. Waltman, and S. R. Leone, Activation of the Si(100)/Cl2 translational energies, Materials Research Society Proceedings, 1992, Vol. 236, p. 177.


  187. P. G. Strupp, A. L. Alstrin, R. V. Smilgys, and S. R. Leone, Single photon laser ionization time-of-flight mass spectroscopy detection in molecular beam epitaxy:  Application to As4, As2 and Ga, Appl. Opt. 32, 842 (1993).


  188. C. J. Smith, E. M. Spain, M. J. Dalberth, S. R. Leone, and J. P. J. Driessen, Initial and final orbital alignment probing of the fine structure changing collisions among the Ca 4s4p 3PJ states with He: Determination of coherence and conventional cross sections, J. Chem. Soc. Faraday Trans. 89, 1401 (1993).


  189. A. L. Alstrin, P. G. Strupp, and S. R. Leone, Direct detection of atomic arsenic desorption from Si(100), Appl. Phys. Lett.  63, 815 (1993).


  190. S. D. Price, S. A. Rogers, and S. R. Leone, Charge transfer and collision-induced dissociation reactions of OCS2+ and CO22+ with the rare gases at a laboratory collision energy of 49 eV, J. Chem. Phys. 98, 9455 (1993).


  191. M. J. Frost, S. Kato, V. M. Bierbaum, and S. R. Leone, Direct observation of the simultaneous transfer of vibrational energy and charge in the 15N2+(v)+ 14N2 reaction, J. Chem. Phys. 98, 5993 (1993).


  192. F. X. Campos, C. J. Waltman, and S. R. Leone, Laser vaporization time-of-flight studies of cryogenic Cl2/Xe films, Chem. Phys. Lett. 201, 399 (1993).


  193. J. O. P. Pedersen, B. J. Opansky, and S. R. Leone, Laboratory studies of low temperature reactions of C2H with C2H2 and implications for atmospheric models of Titan, J. Phys. Chem. 97, 6822 (1993).


  194. A. L. Alstrin, P. G. Strupp, L. Cook, and S. R. Leone, Single-photon ionization and detection of Ga, In, and Asn species in GaAs growth, SPIE Proceedings  Vol. 1858 (1993), p. 367.


  195. M. J. Bastian, C. P. Lauenstein, V. M. Bierbaum, and S. R. Leone, Single frequency laser probing of velocity component correlations and transport properties of Ba+ drifting in Ar, J. Chem. Phys. 98, 9496 (1993).


  196. P. W. Seakins, E. L. Woodbridge, and S. R. Leone, A laser flash photolysis, time resolved fourier transform infrared emission study of the reaction Cl + C2H5 ® HCl(v) + C2H4, J. Phys. Chem. 97, 5633 (1993).


  197. G. C. Weaver, F. X. Campos, and S. R. Leone, Hyperthermal Cl atom beam produced by laser vaporization of cryogenic ICl films, in Proceedings, Materials Research Society Vol. 285 (1993), p. 249.


  198. M. Manning, S. D. Price, and S. R. Leone, Charge transfer and collision-induced dissociation reactions of CF2+ and CF22+ with rare gases at a laboratory collision energy of 49 eV, J. Chem. Phys. 99, 8695 (1993).


  199. S. Kato, M. J. Frost, V. M. Bierbaum, and S. R. Leone, A selected ion flow tube laser induced fluorescence instrument for vibrationally state-specific ion molecule reactions, Rev. Sci. Instrum. 64, 2808 (1993).


  200. S. A. Rogers and S. R. Leone, Pulsed laser photolysis time-resolved FTIR emission studies of molecular dynamics, J. Appl. Spectrosc. 47, 1430 (1993).


  201. B. J. Opansky, P. W. Seakins, J. O. P. Pedersen, and S. R. Leone, Kinetics of the reaction C2H + O2 from 193 to 350 K by using laser flash kinetic infrared absorption spectroscopy, J. Phys. Chem. 97, 8583 (1993).


  202. S. R. Leone, A. L. Alstrin, P. G. Strupp, and R. V. Smilgys, Laser gas ionization technique monitors MBE crystal growth, Laser Focus World 29, 65 (1993).


  203. S. Kato, M. J. Frost, V. M. Bierbaum, and S. R. Leone, Vibrational specificity for charge transfer versus deactivation in N2+ (v=0, 1, 2) + Ar and O2 ion-molecule reactions, Can. J. Chem. 72, 625 (1994).


  204. S. D. Price, M. Manning, and S. R. Leone, Collision induced neutral loss reactions of molecular dications, Chem. Phys. Lett. 214, 553 (1993).


  205. M. J. Frost, S. Kato, V. M. Bierbaum, and S. R. Leone, Kinetics and dynamics of vibrationally state resolved ion-molecule reactions: 14N2+ (v=1 and 2) and 15N2+ (v=0,1 and 2) with 14N2, J. Chem. Phys. 100, 6359 (1994).


  206. S. D. Price, M. Manning, and S. R. Leone, Bond forming reactions of gas phase molecular dications, J. Am. Chem. Soc. 116, 8673 (1994).


  207. L. Young, W. T. Hill III, S. J. Sibener, S. D. Price, C. E. Tanner, C. E. Wieman, and S. R. Leone, Precision lifetime measurements of Cs 6p 2P1/2 and 6p 2P3/2 by single photon counting, Phys. Rev. A 50, 2174 (1994).


  208. R. M. Williams and S. R. Leone, Investigating the 3.3 mm infrared fluorescence from naphthalene following ultraviolet excitation, Proceedings, Diffuse Interstellar Bands (NASA Conf. Publ. 10144) (1994).


  209. G. C. Weaver and S. R. Leone, Scattering of Cl2 beams from Si(100) for kinetic energies up to 2.6 eV: Implications for sticking coefficients and reaction product formation, Surf. Sci. 328, 197 (1995).


  210. E. M. Spain, C. J. Smith, M. J. Dalberth, and S. R. Leone, Orbital alignment and vector correlations in inelastic atomic collisions, The Physics of Electronic and Atomic Collisions, ICPEAC XVIII, AIP Conf. Proc. 295 (T. Andersen et al., Eds., Am. Inst. of Phys., New York, 1993) p. 675.


  211. A. L. Alstrin, A. K. Kunz, P. G. Strupp, and S. R. Leone, Single photon laser ionization as an in-situ diagnostic for MBE growth, Proceedings, Materials Research Society Symposium, Vol. 324, (1994) p. 359.


  212. T. Mill and S. R. Leone, Line-tunable electronic-to-vibrational energy transfer lasers in the mid-infrared, in Lasers in Remote Sensing, Proceedings of the 11th International Congress LASER '93 (Ch. Werner, W. Waidelich, Eds., Springer Verlag, 1994) p. 61.


  213. A. L. Alstrin, A. K. Kunz, and S. R. Leone, In-situ monitoring of molecular beam epitaxial growth using single photon ionization, in SPIE Proceedings  Vol. 2125, p. 42 (1994).


  214. R. M. Williams and S. R. Leone, Laboratory studies of 3.3 mm emission from naphthalene induced by 193 nm and 248 nm excitation, Ap. J. 443, 675 (1995).


  215. S. M. Casey, A. L. Alstrin, A. K. Kunz, and S. R. Leone, Laser vacuum ultraviolet single photon ionization probing of III-V semiconductor growth, in SPIE Proceedings Vol. 2282, p. 39 (1994).


  216. A. K. Kunz, A. L. Alstrin, S. M. Casey, and S. R. Leone, Single photon ionization, laser optical probe technique for semiconductor growth, in SPIE Proceedings Vol. 2337, p. 20 (1994).


  217. J. Lindner, J. K. Lundberg, R. M. Williams, and S. R. Leone, Pulse-to-pulse normalization of time-resolved Fourier transform emission experiments in the near infrared, Rev. Sci. Instrum. 66, 2812 (1995).


  218. S. D. Price, Y-Y. Lee, M. Manning, and S. R. Leone, Laser photodissociation of fluorinated molecular dications, Chem. Phys. 190, 123 (1995).


  219. S. R. Leone, F. X. Campos, and G. C. Weaver, Silicon etching by kinetic-energy enhanced chlorine, 1994 Proceedings of Symposium on Dry Process, p. 85 (1994).


  220. E. M. Spain, M. J. Dalberth, P. D. Kleiber, S. R. Leone, S. S. Op de Beek, and J. P. J. Driessen, Orbital alignment cross sections by stimulated emission probing:  The state-to-state Ca Rydberg process Ca(4s17d1D2) + Xe ® Ca(4s18p1P1) + Xe, J. Chem. Phys. 102, 9532 (1995).


  221. E. M. Spain, M. J. Dalberth, P. D. Kleiber, S. R. Leone, S. S. Op de Beek, and J. P. J. Driessen, Alignment probing of Rydberg states by stimulated emission, J. Chem. Phys. 102, 9522 (1995).


  222. Y-Y. Lee and S. R. Leone, Photodissociation and rare gas reactions of CCl32+: Energetic thresholds for the CCl+ product, J. Phys. Chem. 99, 15438 (1995).


  223. J. P. J. Driessen, S. S. Op de Beek, H. C. W. Beijerinck, E. M. Spain, H. V. Parks, R. De Vivie-Riedle, and S. R. Leone, An optical analogue of complex-valued coherence terms in atomic scattering, Comments Atomic Molec. Phys. 32, 327 (1996).


  224. J. A. de Gouw, L. N. Ding, M. J. Frost, S. Kato, V. M. Bierbaum and S. R. Leone, Vibrational energy dependence of the reaction N2+(v) + H2 ® N2H+ + H at thermal energies, Chem. Phys. Lett. 240, 362 (1995).


  225. S. Kato, V. M. Bierbaum and S. R. Leone, Laser fluorescence and mass spectrometric measurements of vibrational relaxation of N2+(v) with He, Ne, Ar, Kr, and Xe, Int. J. Mass Spectrom. Ion Processes, David Smith Honorary Issue 150, 469 (1995).


  226. J. M. Papanikolas, R. M. Williams, P. D. Kleiber, J. L. Hart, C. Brink, S. D. Price, and S. R. Leone, Wave packet dynamics in the Li2(1Sg+) shelf state:  Simultaneous observation of vibrational and rotational recurrences with single ro-vibronic control of an intermediate state, J. Chem. Phys. 103, 7269 (1995).


  227. S. R. Leone, Kinetic-energy-enhanced neutral etching, Jpn. J. Appl. Phys. 34, 2073 (1995).


  228. A. K. Ott, S. M. Casey, A. L. Alstrin, and S. R. Leone, Single-photon ionization, in situ optical diagnostic of molecular beam epitaxial growth of GaAs, MRS Proceedings 406, 101 (1996).


  229. J. J. Klaassen, J. Lindner, and S. R. Leone, Observation of the n1 OH(OD) stretch of HOI and DOI by Fourier transform infrared emission spectroscopy, J. Chem. Phys. 104, 7403 (1996).


  230. A. K. Ott, S. M. Casey, A. L. Alstrin, and S. R. Leone, Chemistry of arsenic incorporation during GaAs/GaAs(100) molecular beam epitaxy probed by simultaneous laser flux monitoring and reflection high-energy electron diffraction, J. Vac. Sci. Tech. B 14, 2742 (1996).


  231. S. R. Leone, Y-Y. Lee, S. D. Price, M. Manning, and S. A. Rogers, Reactions and photofragmentation of doubly charged molecular ions: Novel pathways, structure, and energy thresholds, Proceedings, Symposium on Atomic, Cluster and Surface Physics (SASP 96).


  232. J. Lindner, J. K. Lundberg, C. M. Lovejoy, and S. R. Leone, Translational to vibrational and rotational (T ³V, R) energy transfer and reactive exchange collisions of H(D) + HF(DF) at 2 eV by time-resolved Fourier transform spectroscopy, J. Chem. Phys. 106, 2265 (1997).


  233. B. J. Opansky and S. R. Leone, Low temperature rate coefficients of C2H with CH4 and CD4 from 154-359 K, J. Phys. Chem. 100, 4888 (1996).


  234. G. C. Weaver and S. R. Leone, Fragmentation and recombination of molecules during laser vaporization of cryogenic films, J. Phys. Chem. 100, 4188 (1996).


  235. H. Q. Lorensen, H. V. Parks, E. M. Spain, J. E. Smedley, C. H. Greene, and S. R. Leone, Resonant formation of Ca+ (4s25d 1D2) level explained by autoionization through the 3d3/29f5/2, Jp = 2- resonance, Phys. Rev. A 54, 1577 (1996).


  236. M. Krishnamurthy, J. A. de Gouw, V. M. Bierbaum, and S. R. Leone, Mobilities of aromatic ions drifting in helium, J. Phys. Chem. 100, 14908 (1996).


  237. J. A. de Gouw, L. N. Ding, M. Krishnamurthy, H. S. Lee, E. A. Anthony, V. M. Bierbaum, and S. R. Leone, The mobilities of NO+ (CH3CN)n cluster ions (n=0-3) drifting in helium and in helium-acetonitrile mixtures, J. Chem. Phys. 105, 10398 (1996).


  238. S. Kato, J. A. deGouw, C.-D.Lin, V. M. Bierbaum, and S. R. Leone, Charge transfer rate constants for N2+ (v=0-4) with Ar at thermal energies, Chem. Phys. Lett. 256, 305 (1996).


  239. S. Kato, J. A. de Gouw, C.-D. Lin, V. M. Bierbaum, and S. R. Leone, Vibrational enhancement of the charge transfer rate constant of N2+(v=0-4) with Kr at thermal energies, J. Chem. Phys. 105, 5455 (1996).


  240. M. P. Knowles and S. R. Leone, Hyperthermal (1-10 eV) cobalt deposition on Si(100), Chem. Phys. Lett. 258, 217 (1996).


  241. B. J. Opansky and S. R. Leone, Rate coefficients of C2H with C2H4, C2H6, and H2 from 150-359 K, J. Chem. Phys. 100, 19904 (1996).


  242. R. M. Williams, J. M. Papanikolas, J. Rathje, and S. R. Leone, Quantum-state resolved 2-level femtosecond rotational coherence spectroscopy:  determination of rotational constants at medium and high J in Li2, a simple diatomic system, Chem. Phys. Lett. 261, 405 (1996).


  243. M. Krishnamurthy, J. A. de Gouw, L. N. Ding, V. M. Bierbaum, and S. R. Leone, Mobility and formation kinetics of NH4+(NH3)n cluster ions (n=0-3) in helium and helium/ammonia mixtures, J. Chem. Phys. 106, 530 (1996).


  244. R. A. Loomis, J. J. Klaassen, Jörg Lindner, P. G. Christopher, and S. R. Leone, Fourier transform infrared emission study of the mechanism and dynamics of HOI formed in the reaction of alkyl iodides with O(3P), J. Chem. Phys. 106, 3934 (1997).


  245. H. Meyer and S. R. Leone, Preparation and probing of alignment in molecular ensembles by saturated coherent pulsed laser excitation, J. Chem. Phys. 105, 5858 (1996).


  246. R. J. Hoobler, B. J. Opansky, and S. R. Leone, Low-temperature rate coefficients for reactions of ethynyl radical (C2H) with propane, isobutane, n-butane and neopentane, J. Phys. Chem. A 101, 1338 (1997).


  247. A. K. Ott, S. M. Casey, and S. R. Leone, Laser ionization measurements of gaseous gallium atom desorption from GaAs(100) during molecular beam epitaxy, Appl. Surf. Sci. 119, 301 (1997).


  248. R. M. Williams, J. M. Papanikolas, J. Rathje, and S. R. Leone, Compositional control of rovibrational wave packets in the E(1S+g) shelf state of Li2 via quantum-state-resolved intermediate state selection, J. Chem. Phys. 106, 8310 (1997).


  249. Y-Y. Lee, S. R. Leone, P. Champkin, N. Kaltosyannis and S. D. Price, Laser photofragmentation and collision-induced reactions of SiF22+ and SiF32+, J. Chem. Phys. 106, 7981 (1997).


  250. J. A. de Gouw, M. Krishnamurthy, V. M. Bierbaum, and S. R. Leone, Measured and calculated mobilities of cluster ions drifting in helium and in nitrogen, Int. J. Mass Spectrom. Ion Processes 167/168, 281 (1997).


  251. E. B. Anthony, W. Schade, M. J. Bastian, V. M. Bierbaum, and S. R. Leone, Laser probing of velocity-subgroup dependent rotational alignment of N2+ drifted in He, J. Chem. Phys. 106, 5413 (1997).


  252. M. P. Knowles and S. R. Leone, Generation of a velocity selected, pulsed source of hyperthermal (1-10 eV) neutral metal atoms for thin film growth studies, J. Vac. Sci. Tech. A 15, 2709 (1997).


  253. N. Materer, R. S. Goodman, and S. R. Leone, Laser single-photon ionization mass spectrometry measurements of SiCl and SiCl2 during thermal etching of Si(100), J. Vac. Sci. Tech. A 15, 2134 (1997).


  254. J. M. Papanikolas, R. M. Williams, and S. R. Leone, Manipulation of rovibrational wave packet composition in the Li2 E(1S+g) shelf state using intermediate state selection and shaped femtosecond laser pulses, J. Chem. Phys. 107, 4172 (1997).


  255. A. K. Ott, S. M. Casey, and S. R. Leone, Laser ionization mass spectrometry measurements of arsenic sticking and incorporation during GaAs(100) homoepitaxy, J. Cryst. Growth 181, 326 (1997).


  256. W. Schade, D. L. Osborn, J. Preusser, and S. R. Leone, Spectroscopic characterization of semiconductor surface impurities by near-field scanning optical microscopy,  Laser Applications to Chemical and Environmental Analysis, Technical Digest (OSA ‘98) Vol. 3, p. 131.


  257. R. S. Goodman, N. Materer, and S. R. Leone, Ar, N2 and Cl2 electron cyclotron resonance plasmas measured by time-of-flight analysis: Neutral kinetic energies and source gas cracking, J. Vac. Sci Technol. B 15, 971 (1997).


  258. J. A. de Gouw, M. Krishnamurthy, and S. R. Leone, The mobilities of ions and cluster ions drifting in polar gases, J. Chem. Phys. 106, 5937 (1997).


  259. N. Materer, R. S. Goodman, and S. R. Leone, Comparison of electron cyclotron resonance and radio-frequency inductively coupled plasmas of Ar and N2: Neutral kinetic energies and source gas cracking, J. Appl. Phys. 83, 1917 (1998).


  260. M. Krishnamurthy, V. M. Bierbaum, and S. R. Leone, Vibrational state dependence of the N2+ (v=0-3) + HCl reaction at thermal energies, Chem. Phys. Lett. 281, 49 (1997).


  261. A. K. Ott, S. M. Casey, and S. R. Leone, Arsenic desorption kinetics from Si(100), Surf. Sci. 405, 228 (1998).


  262. R. J. Hoobler and S. R. Leone, Rate coefficients for reactions of ethynyl radical (C2H) with hydrogen cyanide and acetonitrile: Implications for the formation of complex nitriles on Titan, J. Geophys. Res. 102, 28,717 (1997).


  263. M. J. Frost, S. Kato, V. M. Bierbaum, and S. R. Leone, Reactions of N2+(v) with CO and NO, Chem. Phys. for New Aspects of Photochemistry and Reaction Dynamics/ Washida Special Issue 231, 145 (1998).


  264. J. Lindner, R. A. Loomis, J. J. Klaassen, and S. R. Leone, A laser photolysis/time resolved Fourier transform infrared emission study of OH(X 2P,v) produced in the reaction of alkyl radicals with O(3P), J. Chem. Phys. 108, 1944 (1998).


  265. R. Uberna, M. Khalil, R. M. Williams, J. M. Papanikolas, and S. R. Leone, Phase and amplitude control in the formation and detection of rotational wave packets in the E 1S+g state of Li2, J. Chem. Phys. 108, 9259 (1998).


  266. W. Schade, D. L. Osborn, J. Preusser, and S. R. Leone, Two-color cross correlation of fs-laser pulses by two-photon induced photoconductivity for near and far field optical measurements, Optics Comm. 150, 27 (1998).


  267. R. A. Loomis, S. R. Leone, and M. K. Gilles, Novel five-membered ring intermediates in gas phase reactions, Res. Chem. Intermed. 24, 707 (1998).


  268. H. V. Parks, E. M. Spain, J. E. Smedley, and S. R. Leone, Experimental investigation of the initial-state alignment dependence in the energy pooling process:  Ca(4s4p 3P1) + Ca(4s4p 3P1) ®Ca(4s4p 1P1) + Ca(4s2), Phys. Rev. A 58, 2136 (1998).


  269. S. Kato, V. M. Bierbaum, and S. R. Leone, Multiquantum vibrational deactivation of N2+(v) by collisions with N2 and O2 at thermal energies, J. Phys. Chem. A 102, 6659 (1998).


  270. W. Schade, D. L. Osborn, J. Preusser, and S. R. Leone, Imaging of semiconductor surface impurities by femtosecond near-field photoconductivity, Proceedings, International Quantum Electronics Conference (IQEC ‘98) p. 229.


  271. R. S. Goodman, N. Materer, and S. R. Leone, Ion-enhanced etching of Si(100) with molecular chlorine: Reaction mechanisms and product yields, J. Vac. Sci. Technol. A  17, 3340 (1999).


  272. R. J. Hoobler and S. R. Leone, Low-temperature rate coefficients for reactions of the ethynyl radical (C2H) with C3H4 isomers methylacetylene and allene, J. Phys. Chem. A 103, 1342 (1999).


  273. R. A. Loomis, J. P. Reid, and S. R. Leone, Photofragmentation of ammonia at 93.3 nm: Bimodal rotational distributions and vibrational excitation of NH2(Ã), J. Chem. Phys. 112, 658 (2000).


  274. W. Schade, J. Preusser, D. L. Osborn, Y. Y. Lee, J. deGouw, and S. R. Leone, Spatially resolved femtosecond time correlation measurements on a GaAsP photodiode, Opt. Commun. 162, 200 (1999).


  275. R. Uberna, Z. Amitay, R. A. Loomis, and S. R. Leone, Phase control of wave packet dynamics using shaped femtosecond pulses, Faraday Discussion 113, 385 (1999).


  276. B. Dragnea, J. Preusser, W. Schade, S. R. Leone, and W. D. Hinsberg, Transmission near-field scanning microscope for infrared chemical imaging, J. Appl. Phys. 86, 2795 (1999).


  277. H. V. Parks and S. R. Leone, Initial and final state alignment and orientation effects in Ca energy pooling, Phys. Rev. A  60, 2944 (1999).


  278. N. Materer, R. S. Goodman, and S. R. Leone, Temperature dependence of neutral and positively charged Si and SiCl etch products during argon-ion enhanced etching of Si(100) by Cl2, J. Vac. Sci. Technol. B 18, 191 (2000).


  279. J. Li, V. M. Bierbaum, and S. R. Leone, Laser ionization time-of-flight mass spectrometer detection of methyl radical produced by ion reactions in a flowing afterglow apparatus, Chem. Phys. Lett. 313, 76 (1999).


  280. H. V. Parks and S. R. Leone, Alignment and orientation effects in Sr energy pooling, J. Phys. Chem. 103, 10042 (1999). 


  281. C. L. Berrie and S. R. Leone, Observation of monolayer and bilayer period RHEED oscillations during epitaxial growth of Ge on Ge(100), J. Crystal Growth 216, 159 (2000).


  282. N. Materer, Rory S. Goodman, and Stephen R. Leone, Ion-enhanced etching of Si(100) with molecular chlorine: neutral and ionic product yields as a function of ion kinetic energy, J. Phys. Chem. B 104, 3261 (2000).


  283. S. Lee, D. A. Samuels, R.  J. Hoobler, and S. R. Leone, Direct measurements of rate coefficients for the reaction of ethynyl radical (C2H) with C2H2 at 90 and 120 K using a pulsed Laval nozzle apparatus, J. Geophys. Res. 105, 15085 (2000).


  284. J. P. Reid, R. A. Loomis and S. R. Leone, Characterization of dynamical product state distributions by spectral extended cross-correlation: Vibrational dynamics in the photofragmentation of NH2D and ND2H, J. Chem. Phys. 112, 3181 (2000).


  285. J. P. Reid, C. X.W. Qian and S. R. Leone, Probing the cyclic transition state in the reaction O(3P) + alkyl iodides to form HOI: Electronic, steric and thermodynamic factors influencing the reaction pathway, Phys. Chem. Chem. Phys. 2, 853 (2000).


  286. S. Lee, R. J. Hoobler, and S. R. Leone, A pulsed Laval nozzle apparatus with laser ionization mass spectroscopy for direct measurements of rate coefficients at low temperatures with condensable gases, Rev. Sci. Instrum. 71, 1816 (2000).


  287. D. L. Osborn and S. R. Leone, Spectral and intensity dependence of spatially resolved two-photon conductivity defects on a GaAsP photodiode, J. Appl. Phys. 89, 626 (2001).


  288. Z. Amitay, R. Uberna, and S. R. Leone, Time-shifting the dynamics of Li2 multistate rovibrational wave packets by state selective coherent phase control, Advances in Multiphoton Processes and Spectroscopy, Vol. 14. Quantum Control of Molecular Reactions Dynamics: Proceedings from the US Japan Workshop.  R. J. Gordon and Y. Fujimura, eds. 14, 3 (World Scientific Singapore, 2001).


  289. E.B. Anthony, M. J. Bastian, V. M. Bierbaum , and S. R. Leone, Laser probing of rotational-state-dependent velocity distributions of N2+(v-0,J) drifted in He, J. Chem. Phys. 112, 10269 (2000).


  290. L. Nugent-Glandorf, M. Scheer, M. Krishnamurthy, J.W. Odom and S. R. Leone, Photoelectron spectroscopic determination of the energy bandwidths of high harmonics (7th-55th) produced by an ultrafast laser in neon, Phys. Rev. A 62, 023812-1 (2000).


  291. J. P. Reid, R. A. Loomis and S. R. Leone, Competition between N-H and N-D bond cleavage in the photodissociation of NH2D and ND2H, J. Phys. Chem. 104, 10139 (2000).


  292. J. P. Reid, R. A. Loomis and S. R. Leone, The effect of parent zero-point motion on the ND2 (Ã) rotational state distribution in the 193.3 nm photolysis of ND3, Chem. Phys. Lett. 324, 240 (2000).


  293. E. Mirowski and S. R. Leone, Enhancement in the crystalline quality of palladium silicide films: multiple versus single deposition, J. Cryst. Growth 219, 368 (2000). (Full Text)


  294. R. Uberna, Z. Amitay, C. X. W. Qian, and S. R. Leone, Ultrafast spectroscopy of wavelength-dependent coherent photoionization cross sections of Li2 wave packets in the E 1S+g state: The role of Rydberg states, J. Chem. Phys. 114, 10311 (2001).(Full Text)


  295. J. P. Reid, T. P. Marcy, S. Kuehn and S. R. Leone, The direct production of CO(v=1-9) in the reaction of O(3P) with the ethyl radical, J. Chem. Phys. 113, 4572 (2000).(Full Text)


  296. L. Pesce, Z. Amitay, R. Uberna, S. R. Leone, M. Ratner, and R. Kosloff, Quantum dynamics simulation of the ultrafast photoionization of Li2, J. Chem. Phys. 114, 1259 (2001).(Full Text)


  297. B. Dragnea, J. Preusser, J. M. Szarko, and S. R. Leone, Pattern characterization of deep-ultraviolet photoresists by near-field infrared microscopy, J. Vac. Sci. Tech. B 19, 142 (2001).(Full Text)


  298. B. Dragnea, J. Preusser, J. M. Szarko, L. A. McDonough and S. R. Leone, Chemical mapping of patterned polymer photoresists by near-field infrared microscopy, Appl. Surf. Sci. 175, 783 (2001).(Full Text)


  299. S. Lee and S. R. Leone, Rate coefficients for the reaction of C2H with O2 at 90 K and 120 K using a pulsed Laval nozzle apparatus, Chem. Phys. Lett. 329, 443 (2000).(Full Text)


  300. C. L. Berrie, B. Liu, and S. R. Leone, Defect controlled diffusion in the epitaxial growth of germanium on Si(100), Appl. Surf. Sci. 175, 69 (2001).(Full Text)


  301. J. Li, V. M. Bierbaum, S. R. Leone, Laser-induced fluorescence study of two weak vibrational bands of the O2+ A2Pu - X2Pg system, Chem. Phys. Lett. 330 , 331 (2000). (Full Text)


  302. T. P. Marcy, J. P. Reid, C. X. W. Qian and S. R. Leone, Addition-insertion elimination reactions of O(3P) with halogenated iodoalkanes producing HF(v) and HCl(v), J. Chem. Phys. 114, 2251 (2001).(Full Text)


  303. E. B. Anthony, V. M. Bierbaum and S. R. Leone, Rotational-state and velocity subgroup dependence of the rotational alignment of N2+ drifted in He, J. Chem. Phys. 114, 6654 (2001).(Full Text)


  304. B. Dragnea and S. R. Leone, Advances in sub-micron infrared vibrational band chemical imaging, Int. Rev. Phys. Chem. 20, 59 (2001).(Full Text)


  305. Z. Amitay, J. B. Ballard, H. U. Stauffer, and S. R. Leone, Phase-tailoring molecular wave packets to time-shift their dynamics, Chem. Phys. 267, 141 (2001).(Full Text)


  306. A. B. Vakhtin, S. Lee, D. E. Heard, I. W. M. Smith, and S. R. Leone, Low temperature kinetics of the OH radical with propene and 1-butene studied by a pulsed Laval nozzle apparatus combined with laser-induced fluorescence, J. Phys. Chem. 105, 7889 (2001).(Full Text)


  307. T. P. Marcy, R. R. Diaz, D. E. Heard, L. B. Harding, S. Klippenstein, and S. R. Leone, Theoretical and experimental investigation of the dynamics of the production of CO from the CH3 + O and CD3 + O reactions, J. Phys. Chem. 105, 8361 (2001).(Full Text)


  308. A. B. Vakhtin, D. E. Heard, I. W. M. Smith, and S. R. Leone, Kinetics of reactions of C2H radical with acetylene, O2, methylacetylene, and allene in a pulsed Laval nozzle apparatus at T = 103K, Chem. Phys. Lett. 344, 317 (2001).(Full Text)


  309. J. Vala, Z. Amitay, S. R. Leone and R. Kosloff, Implementation of the Deutsch Jozsa algorithm with rovibrational molecular wave packets , Proceedings of the International Conference on Quantum Information, Rochester, NY, Optical Society of America (2001).


  310. H. U. Stauffer, J. B. Ballard, Z. Amitay, and S. R. Leone, State-selective phase control of molecular wave packets in two electronic states, Proceedings, Coherence and Quantum Optics 08, Rochester, NY, Optical Society of America (2001).


  311. L. Nugent-Glandorf, M. Scheer, D. A. Samuels, A. M. Mulhisen, E. R. Grant, X. Yang, V. M. Bierbaum and S. R. Leone, Ultrafast time-resolved soft x-ray photoelectron spectroscopy of dissociating Br2, Phy. Rev. Lett. 87, 193002-1 (2001). (Full Text)


  312. J. Vala, Z. Amitay, B. Zhang, S. R. Leone, and R. Kosloff, Experimental implementation of the Deutsch-Jozsa algorithm for three-qubit functions using pure coherent molecular superpositions, Phys. Rev. A 66, 062316 (2002).(Full Text)


  313. C. L. Berrie and S. R. Leone, Desorption of arsenic species during the surfactant enhanced growth of Ge on Si(100), J. Phys. Chem. B 106, 6488 (2002).(Full Text)


  314. R. A. Bartels, T. C. Weinacht, S. R. Leone, H. C. Kapteyn and M. M. Murnane, Non-resonant control of multimode molecular wave packets at room temperature, Phys. Rev. Lett. 88, 33001 (2002). (Full Text)


  315. Z. Amitay, R. Kosloff, and S. R. Leone, Experimental coherent computation of a multiple-input AND gate using pure molecular superpositions, Chem. Phys.  Lett. 359, 8 (2002).(Full Text)


  316. A. B. Vakhtin, Dwayne E. Heard, Ian W. M. Smith, and S. R. Leone, Kinetics of C2H radical reactions with ethene, propene and 1-butene measured in a pulsed laval nozzle apparatus at T = 103K and 296 K, Chem. Phys. Lett. 348, 21 (2001).(Full Text)


  317. T. Kitajima, B. Liu and S. R. Leone, Two-dimensional periodic alignment of self assembled Ge islands on patterned Si(001) surfaces, Appl. Phys. Lett. 80, 497 (2002).(Full Text)


  318. J. Ballard, H. U. Stauffer, Z. Amitay, and S. R. Leone, Optimization of wave packet coefficients in Li2 using an evolutionary algorithm:  the role of resonant and non-resonant wavelengths, J. Chem. Phys. 116, 1350 (2001). (Full Text)


  319. H. U. Stauffer, J. B. Ballard, Z. Amitay, and S. R. Leone, Simultaneous phase control of Li2 wave packets in two electronic states, J. Chem. Phys. 116, 946 (2001).  (Full Text)


  320. B. Liu, C. L. Berrie, T. Kitajima, J. Bright, and S. R. Leone, Atomic force microscopy study of the growth and annealing of Ge island on Si(100), J. Vac. Sci. Technol. B 20, 678 (2002). (Full Text)


  321. T. P. Marcy, D. E. Heard, and S. R. Leone, Product studies of inelastic and reactive collisions of NH2 + NO: effects of vibrationally and electronically excited NH2, J. Phys. Chem. A 106, 8249 (2002). (Full Text)


  322. L. Nugent-Glandorf, M. Scheer, D. A. Samuels, V. M. Bierbaum, and S. R. Leone, A laser-based instrument for the study of ultrafast chemical dynamics by soft x ray-probe photoelectron spectroscopy, Rev. Sci. Instrum. 73, 1875 (2002). (Full Text)


  323. B. Liu, C. L. Berrie, T. Kitajima, and S. R. Leone,Arsenic-induced Ge island morphology changes during molecular beam epitaxy of Ge on Si(100), J. Crystal Growth 241, 271 (2002). (Full Text)


  324. J. Husband and S. R. Leone, Mobilities: small systems, in Encyclopedia of Mass Spectrometry, Vol. 5: Theory and Ion Chemistry, edited by P. B. Armentrout, (Elsevier, Amsterdam, 2003), p. 498.


  325. J. B. Ballard, H. U. Stauffer, E. Mirowski, and S. R. Leone, Simultaneous control of time-dependent population transfer dynamics and wave packet quantum interferences in Li2 by shaped ultrafast pulses, Phys. Rev. A 66, 043402 (2002). (Full Text)


  326. L. Nugent-Glandorf, M. Scheer, D. A. Samuels, V. M. Bierbaum, and S. R. Leone, Ultrafast photodissociation of Br2: Laser-generated high-harmonic soft x-ray probing of the transient photoelectron spectra and ionization cross section, J. Chem. Phys. 117, 6108 (2002). (Full Text)


  327. E. Mirowski, H. U. Stauffer, J. B. Ballard, B. Zhang, C. L. Hetherington, and S. R. Leone, Effect of nonresonant frequencies on the enhancement of quantum beat amplitudes in rovibrational states in Li2:  the role of state spacing, J. Chem. Phys. 117, 11228(2002).(Full Text)


  328. B. Dragnea, J. M. Szarko, S. Kowarik, J. Feldmann, and S. R. Leone, Near-field surface plasmon excitation on structured gold films, Nano Letters 3, 3(2003). (Full Text)


  329. D. A. Samuels, T. C. Weinacht, O. L. A. Monti, E. Gershgoren, S. R. Leone, H. C. Kapteyn, M. M. Murnane and R. A. Bartels, Making and measuring vibrational wave packets in small molecules through impulsive non-resonant stimulated raman scattering, Proceedings of the International Conference on Ultrafast Phenomena XIII, Vancouver, BC, Canada, Optical Society of America (2002), p. 91.


  330. S. R. Leone, J. Husband and V. M. Bierbaum, Mobility determination of molecular ions for hypersonics, American Institute of Aeronautics and Astronautics 2003-705, 1(2003). (Full Text)


  331. L. A. McDonough, B. Dragnea, J. Preusser and S. R. Leone, Water vapor uptake in photolithographic polymers observed by infrared near-field scanning optical microscopy in a controlled environment, J. Phys. Chem. B 107, 4951(2003). (Full Text)


  332. J. E. Murphy, A. B. Vakhtin, and S. R. Leone, Laboratory kinetics of C2H radical reactions with ethane, propane and n-butane at T=96-296 K:  Implications for Titan, Icarus 163, 175(2003). (Full Text)


  333. A. B. Vakhtin, J. E. Murphy, and S. R. Leone, Low-temperature kinetics of reactions of OH radical with ethene, propene, and 1-butene, J. Phys. Chem. A 107, 10055(2003). (Full Text)


  334. A. B. Vakhtin, D. C. McCabe, A. R. Ravishankara, and S. R. Leone, Low-temperature kinetics of the reaction of the OH radical with hydrogen peroxide, J. Phys. Chem. A 107, 10642(2003). (Full Text)


  335. E. Potma, X. S. Xie, L. Muntean, J. Preusser, D. Jones, J. Ye, S. R. Leone, W. D. Hinsberg, and W. Schade, Chemical imaging of photoresists with coherent anti-Stokes Raman scattering(CARS) microscopy, J. Phys. Chem. B 108, 1296(2004). (Full Text)


  336. J. B. Ballard, A. N. Arrowsmith, L. Huwel, X. Dai, and S. R. Leone, Inducing sign inversion in one state of a two-state superposition using ultrafast pulse shaping, Phys. Rev. A 68, 043409-1(2003). (Full Text)


  337. B. Nizamov and S. R. Leone, Kinetics of C2H reactions with hydrocarbons and nitriles in the 104K-296K temperature range, J. Phys. Chem. A.108, 1746(2004). (Full Text)


  338. L. H. Haber, J. Hubbard, J. Plenge, and S. R. Leone, Mobility of t-C4H9+ in polar and nonpolar atmospheric gases, Chem. Phys. Lett.384, 219(2004). (Full Text)


  339. S. Kato, S. R. Leone, V. M. Bierbaum, and L. H. Haber, Mobilities and reactivities of molecular ions in combustion and hypersonics, American Institute of Aeronautics and Astronautics 2004-1015 1(2004).


  340. B. Nizamov and S. R. Leone, Rate coefficients and kinetic isotope effect for the C2H reactions with NH3 and ND3 in the 104K-294K temperature range, J. Phys. Chem. A. 108, 3766(2004).(Full Text)


  341. J. Shu, D. S. Peterka, S. R. Leone, and M. Ahmed, Tunable synchrotron vacuum ultraviolet ionization, time-of-flight investigation of the photodissociation of trans-Crotonaldehyde at 193 nm, J. Phys. Chem. A 108, 7895 (2004).(Full Text)


  342. V. Chikan, B. Nizamov and S. R. Leone, Product state distributions of vibrationally excited CO(n) for the CH(X2P) and C(A2D) channels of the C2H + O(3P) Reaction, J. Phys. Chem. A. 108, 10770(2004).(Full Text)


  343. B. Liu, T. Kitajima, T. Zhang, C. Borca, and S. R. Leone, Imaging of defect-mediated surface morphology of GaN(0001) grown on sapphire by molecular beam epitaxy, J. Appl. Phys. 97, 023509(2005).(Full Text)


  344. Z. H. Kim, B. Liu, and S. R. Leone, Nanometer-scale optical imaging of epitaxially grown GaN and InN islands using apertureless near-field microsocpy, J. Phys. Chem. B. 109, 8503 (2005).(Full Text)


  345. J. B. Ballard, X. Dai, A. N. Arrowsmith, L. Huwel, H. U. Stauffer, and S. R. Leone, Observation of wave packets with simultaneous electronic, vibrational, and rotational degrees of freedom in Li2, Chem. Phys. Lett. 402, 27(2005). (Full Text)


  346. J. M. Szarko, J. K. Song, C. W. Blackledge, I. Swart, S. R. Leone, S. Li, and Y. Zhao, Optical injection probing of single ZnO tetrapod lasers, Chem. Phys. Lett. 404, 171(2005).(Full Text)


  347. V. G. Stavros, E. Harel, and S. R. Leone, The influence of intense control laser pulses on homodyne-detected rotational wavepacket dynamics in O2 by degenerate four-wave mixing, J. Chem. Phys. 122, 064301(2005).(Full Text)


  348. X. Dai, E. A. Torres, E. W. Lerch, D. J. Wilson, S. R. Leone, Preparation of a wave packet through a mixed level in Li2; predissociation of one member of the superposition, Chem. Phys. Lett. 402, 126(2005). (Full Text)


  349. L.A. McDonough, V. Chikan, Z. H. Kim, S. R. Leone and W. D. Hinsberg, Fourier transform infrared spectroscopy studies of water-polymer interactions in chemically amplified photoresists, J. Vac. Sci. Technol. B 23, 344(2005). (Full Text)


  350. V. Chikan and S. R. Leone, Vibrational distributions of the CO(v) products of the C2H2 + O(3P) and HCCO + O(3P) reactions studied by FTIR emission, J. Phys. Chem. A 109, 2525(2005). (Full Text)


  351. B. Liu, T. Kitajima, D. Chen, and S. R. Leone, Growth modes of InN(000-1) on GaN buffer layers on sapphire, J. Vac. Sci. Technol. A 23, 304(2005). (Full Text)


  352. S. Gilb, V. Nestorov, S. R. Leone, J. C. Keske, L. Nugent-Glandorf, and E. R. Grant, Kr(n=5-10, s, d, g) electronic wave packets; electron time of flight resolution and the ac-stark shift during wave packet preparation, Phys. Rev. A 71, 042709 (2005). (Full Text) AFOSR supported publication


  353. J. Shu, K. R. Wilson, A. N. Arrowsmith, M. Ahmed, and S. R. Leone, Light scattering of ultrafine silica particles by VUV synchrotron radiation, Nano Letters 5, 1009 (2005). (Full Text)


  354. L. Muntean, R. Planques, A. L. D. Kilcovne, S. R. Leone, M. K. Gilles, and W. D. Hinsberg, Chemical mapping of polymer photoresists by scanning transmission x-ray microscopy(STXM), J. Vac. Sci. Technol. B 23, 1630 (2005). (Full Text)


  355. J. K. Song, J. M. Szarko, S. R. Leone, S. Li, and Y. Zhao, Ultrafast carrier dynamics and wavelength-dependent lasing time characteristics in single ZnO nanotetrapod and nanowire lasers, J. Phys. Chem. B 109, 15749 (2005). (Full Text)


  356. S.-H. Lim, A. Caster, and S. R. Leone, Single pulse phase-control interferometric coherent anti-stokes raman scattering spectroscopy (CARS), Phys. Rev. A 72, 041803(R) (2005). (Full Text)


  357. V. Chikan, and S. R. Leone, Vibrational and rotational distributions of the CH(A2D) product of the C2H + O(3P) reaction studied by fourier transform visible (FTVIS) emission spectroscopy, J. Phys. Chem. A 109, 10646 (2005).(Full Text)


  358. V. Chikan, B. Nizamov, and S. R. Leone, State-resolved dynamics of the CH(A2D) channels from single and multiple photon dissociation of bromoform in the 10-20 eV energy range, J. Phys. Chem. A 110, 2850 (2006).(Full Text)


  359. R. B. Metz, C. Nicolas, M. Ahmed, and S. R. Leone, Direct determination of the ionization energies of FeO and CuO with VUV radiation, J. Chem. Phys. 123, 114313 (2005). (Full Text)


  360. J. Shu, K. R. Wilson, M. Ahmed, S. R. Leone, C. Graf, and E. Ruhl, Elastic light scattering from nanoparticles by monochromatic vacuum-ultraviolet radiation, J. Chem. Phys. 124, 034707 (2006).(Full Text)


  361. K. R. Wilson, M. Jimenez-Cruz, C. Nicolas, L. Belau, S. R. Leone, and M. Ahmed, Thermal vaporization of biological nanoparticles: Fragment-free VUV photoinoization mass spectra of tryptophan, phenylalanine-glycine-glycine and b-carotene, J. Phys. Chem. A 110, 2106 (2006).(Full Text)


  362. D. Strasser, T. Pfeifer, B. J. Hom, A. M. Müller, J. Plenge, and S. R. Leone, Coherent interaction of femtosecond extreme-UV light with He atoms, Phys. Rev. A 73, 021805(R)(2006).(Full Text) AFOSR supported publication


  363. C. Nicolas, J. Shu, D. S. Peterka, M. Hochlaf, L. Poisson, S. R. Leone, and M. Ahmed, Vacuum ultraviolet photoionization of C3, J. Amer. Chem. Soc. (2005).(Full Text)


  364. T. Pfeifer, L. Gallmann, M. Abel, D. M. Neumark, and S. R. Leone, Single attosecond pulse generation in the multi-cycle driver regime by adding a weak second harmonic field, Optics Letters 31, 975 (2006). (Full Text)


  365. F. Goulay, and S. R. Leone, Low temperature rate coefficients for the reaction of ethynyl radical (C2H) with benzene, J. Phys. Chem. A 110, 1875 (2006).(Full Text)


  366. E. W. Lerch, X. Dai, S. Gilb, E. A. Torres, and S. R. Leone, Control of Li2 wave packet dynamics by modification of the quantum mechanical amplitude of a single state, J. Chem. Phys. 124, 044306 (2006).(Full Text)


  367. K. R. Wilson, L. Belau, C. Nicolas, M. Jimenez-Cruz, S. R. Leone, and M. Ahmed, Direct determination of the ionization energy of histidine with VUV synchrotron radiation, Int. J. Mass Spectrosc. 249, 155 (2006).(Full Text)


  368. X. Dai, E. W. Lerch, and S. R. Leone, Coherent control through near-resonant Raman transitions, Phys. Rev. A 73, 023404 (2006).(Full Text)


  369. K. L. Knappenberger, Jr., S. Gilb, V. G. Stavros, E. W. Lerch, E. A. Torres, D. Strasser, L. Lau, and S. R. Leone, Ultrafast wave packet, coherent control and dissociation dynamics, Femtochemistry VII: Fundamental ultrafast processes in chemistry, physics, and biology; Castleman, A. W., Jr., Kimble, M. L., Eds.; Elsevier: Amsterdam (2006). AFOSR supported publication


  370. T. Pfeifer, L. Gallmann, M. J. Abel, D. M. Neumark, and S. R. Leone, Circular phase-mask for control and stabilization of optical filaments, Optics Letters 31, 2326 (2006).(Full Text)


  371. V. G. Stavros, L. Lau, D. Strasser, and S. R. Leone, Coherent ultrafast spectroscopy in Br2: A sensitive method for measuring Dv=0 propensity violations in Rydberg-to-Rydberg transitions, J. Chem. Phys 124, 174307 (2006).(Full Text)


  372. J. Shu, K. R. Wilson, M. Ahmed, and S. R. Leone, Coupling a versatile aerosol apparatus to a synchrotron: vacuum ultraviolet light scattering, photoelectron imaging, and fragment free mass spectrometry, Review of Scientific Instruments 77, 043106 (2006). (Full Text)


  373. Z. H. Kim, and S. R. Leone, High-resolution apertureless near-field imaging using gold nanosphere probes, J. Phys. Chem. B 110, 19804 (2006). (Full Text).


  374. K. R. Wilson, D. S. Peterka, M. Jimenez-Cruz, S. R. Leone, and M. Ahmed, VUV photoelectron imaging of biological nanopoarticles: Ionization energy determination of nanophase glycine and phenylalanine-glycine-glycine, Phys. Chem. Chem. Phys. 8, 1884 (2006).(Full Text)


  375. S. H. Lim, A. G. Caster, O. Nicolet, and S. R. Leone, Chemical imaging by single pulse interferometric coherent anti-Stokes Raman scattering microscopy, J. Phys. Chem. B, 110, 5196 (2006).(Full Text)


  376. T. Pfeifer, L. Gallmann, M. J. Abel, D. M. Neumark, and S. R. Leone, Heterodyne mixing of laser fields for temporal gating of high-harmonic generation, Phys. Rev. Lett. 97, 163901 (2006).(Full Text)


  377. J. Plenge, C. Nicolas, A. G. Caster, M. Ahmed, and S. R. Leone, Two-color visible/vacuum ultraviolet photoelectron imaging dynamics of Br2, J. Chem. Phys. 125, 133315 (2006).(Full Text) AFOSR supported publication


  378. C. W. Blackledge, J. M. Szarko, A. Dupont, G. H. Chan, E. L. Read, and S. R. Leone, Zinc oxide nanorod growth on gold islands prepared by microsphere lighography on silicon and quartz, J. Nanoscience & Nanotechnology 7, 3336 (2007). (Full Text)


  379. E. F. Gloaguen, E. R. Mysak, S. R. Leone, M. Ahmed, and K. R. Wilson, Investigating chemical composition of mixed organic-inorganic particles by "soft" vacuum ultraviolet photoionization: The reaction of ozone with anthracene on sodium chloride particles, Int. J. Mass Spectrosc. 258, 74 (2006). (Full Text)


  380. A. G. Caster, S. H. Lim, O. Nicolet, and S. R. Leone, Chemically selective imaging with broadband CARS Microscopy, Spectroscopy 21 9 (2006).(Full Text)


  381. G. Meloni, P. Zou, S. J. Klippenstein, M. Ahmed, S. R. Leone, C. A. Taatjes, and D. L. Osborn, Energy-resolved photoionization of alkylperoxy radicals and the stability of their cations, J. Amer. Chem. Soc. 128, 13559 (2006).(Full Text)


  382. A. N. Arrowsmith, V. Chikan, and S. R. Leone, Dynamics of the CH(A2&Delta) product from the reaction of C2H with O2 studied by Fourier transform visible spectroscopy, J. Phys. Chem. A, 110, 7521 (2006).(Full Text)


  383. L. Gallmann, T. Pfeifer, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, Direct comparison of the hollow-core fiber and filamentation techniques for few-cycle pulse generation, Ultrafast Phenomena XV, Springer Series in Chemical Physics 88, 92 (2007).


  384. T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, Multi-cycle driven isolated attosecond pulse generation, Ultrafast Phenomena XV, Springer Series in Chemical Physics 88, 54 (2007).


  385. T. Pfeifer, L. Gallmann, M. J. Abel, D. M. Neumark, and S. R. Leone, Phase-mask control and stabilization of optical filamentation, Ultrafast Phenomena XV, Springer Series in Chemical Physics 88, 65 (2007).


  386. S. Gilb, E. A. Torres, and S. R. Leone, Mapping of time-dependent electron orbital alignment, J. Phys. B: At. Mol. Opt. Phys. 39, 4231 (2006).(Full Text) AFOSR supported publication


  387. A. M. Müller, J. Plenge, S. R. Leone, S. E. Canton, B. S. Rude, and J. D. Bozek, Core electron binding energy shifts of AlBr3 and Al2Br6 vapor, J. Electron Spectrosc. Related Phenom., 154, 32 (2006). (Full Text) AFOSR supported publication


  388. L. Gallmann, T. Pfeifer, P. M. Nagel, M. J. Abel, D. M. Neumark, and S. R. Leone, Comparison of the filamentation and the hollow-core fiber characteristics for pulse compression into the few-cycle regime, Appl. Phys. B. 86, 561 (2007). (Full Text)


  389. K. L. Knappenberger, Jr., E. W. Lerch, P. Wen, and S. R. Leone, Coherent polyatomic dynamics studied by femtosecond time-resolved photoelectron spectroscopy: Dissociation of vibrationally excited CS2 in the 6s and 4d Rydberg states, J. Chem. Phys. 125, 174314 (2006).(Full Text)


  390. D. L. Olynick, A. V. Tivanski, M. K. Gilles, T. Tyliszczak, F. Salmassi, J. A. Liddle, K. Liang, and S. R. Leone, Scanning x-ray microscopy investigations into the electron beam exposure mechanism of hydrogen silsesquioxane resists, J. Vac. Sci. Technol. 24, 3048 (2006). (Full Text)


  391. F. Goulay, D. L. Osborn, C. A. Taatjes, P. Zou, G. Meloni, and S. R. Leone, Direct detection of polyynes formation from the reaction of ethynyl radical (C2H) with propyne (CH3-CCH) and allene (CH2=C=CH2), Phys. Chem. Chem. Phys. 9, 4291 (2007). (Full Text)


  392. D. Strasser, F. Goulay, M. S. Kelkar, E. J. Maginn, and S. R. Leone, Photoelectron spectrum of isolated ion-pairs in ionic liquid vapor, J. Phys. Chem. A 111, 3191 (2007).(Full Text) AFOSR supported publication


  393. C. Howle, A. N. Arrowsmith, V. Chikan, and S. R. Leone, State-resolved dynamics of the CN(B2&Sigma+) and CH(A2&Delta) excited products resulting from the VUV photodissociation of CH3CN, J. Phys. Chem. A 111, 6637 (2007).(Full Text)


  394. S. H. Lim, A. G. Caster, and S. R. Leone, Fourier transform spectral interferometric coherent anti-Stokes Raman scattering (FTSI-CARS) spectroscopy, Optic Letters 32, 1332 (2007)(Full Text).


  395. E. A. Torres, E. W. Lerch, X. Dai, S. Gilb, and S. R. Leone, N-level Li2 multiphoton rotational wave packets: alignment effects in resonant multiphoton coherent excitation, J. Chem. Phys. 126, 044310 (2007). (Full Text)


  396. L. Belau, K. R. Wilson, S. R. Leone, and M. Ahmed, Vacuum-ultraviolet photoionization studies of the microhydration of DNA bases (Guanine, Cytosine, Adenine, and Thymine), J. Phys. Chem. A 111, 7562 (2007). (Full Text)


  397. Z. Loh, M. Khalil, R. E. Correa, R. Santra, C. Buth, and S. R. Leone, Quantum state-resolved probing of strong-field-ionized xenon atoms using femtosecond high-order harmonic transient absorption spectroscopy, Phys. Rev. Lett. 98, 143601 (2007). (Full Text)


  398. Y. E. Romanyuk, R. G. Dengel, L. V. Stebounova, and S. R. Leone, Molecular beam epitaxy of InN quantum dots on nitrided sapphire, J. Crystal Growth 127, 014312 (2007).(Full Text)


  399. X. Dai and S. R. Leone, Control of wave packets in Li2 by shaping the pump and probe pulses for a state-selected pump-probe analysis of the ionization continuum, J. Chem. Phys. 127, 014312 (2007).(Full Text)


  400. S. H. Lim, A. G. Caster, and S. R. Leone, Single pulse interferometric coherent anti-Stokes Raman scattering (CARS), SPIE Proceedings 6442, 644205 (2007).(Full Text)


  401. R. I. Kaiser, L. Belau, S. R. Leone, M. Ahmed, Y. Wang, B. J. Braams, and J. M. Bowman, A combined experimental and computational study on the ionization energies of the cyclic and linear C3H isomers, Chem. Phys. Chem. 8, 1236 (2007).(Full Text)


  402. Z. H. Kim, S. H. Ahn, B. Liu, and S. R. Leone, Nanometer-scale dielectric imaging of semiconductor nanoparticles: size-dependent dipolar coupling and contrast reversal Nano Lett. 7, 2258 (2007). (Full Text)


  403. L. V. Stebounova, Y. E. Romanyuk, D. Chen, and S. R. Leone, Imaging of InGaN inhomogeneities using visible apertureless near-field scanning optical microscope J. Appl. Phys. 101, 124306 (2007). (Full Text)


  404. K. R. Wilson, S. Zou, J. Shu, E. Rühl, S. R. Leone, G. C. Schatz, and M. Ahmed, Size-dependent angular distributions of low energy photoelectrons emitted from NaCl nanoparticles Nano Lett. 7, 2014 (2007). (Full Text)


  405. L. V. Stebounova, Y. E. Romanyuk, R. G. Dengel, and S. R. Leone, Size-dependent near-field coupling observed from InN nanodots grown on nitrided sapphire, Chem. Phys. Lett. 443, 333 (2007). (Full Text)


  406. L. Belau, S. E. Wheeler, B. W. Ticknor, M. Ahmed, S. R. Leone, W. D. Allen, H. F. Schaefer III, and M. A. Duncan, Ionization thresholds of small carbon clusters: tunable VUV experiments and theory, J. Am. Chem. Soc. 129, 10229 (2007). (Full Text)


  407. L. Belau, K. R. Wilson, S. R. Leone, and M. Ahmed, Vacuum Ultraviolet (VUV) photoionization of small water clusters, J. Phys. Chem. A 111, 10075 (2007). (Full Text)


  408. Z. Loh, C. H. Greene, and S. R. Leone, Femtosecond induced transparency and absorption in the extreme ultraviolet by coherent coupling of the He 2s2p (1p0) and 2p2 (1Se) double excitation states with 800 nm light, Chem. Phys. 350, 7 (2007).(Full Text)


  409. K. L. Knappenberger, Jr., D. B. Wong, Y. E. Romanyuk, and S. R. Leone, Excitation wavelength-dependent fluorescence intermittency in CdSe/ZnS core shell quantum dots, Nano Lett.7, 3869 (2007). (Full Text)


  410. K. L. Knappenberger, Jr., E. W. Lerch, P. Wen, and S. R. Leone, Stark-assisted population control of coherent CS2 4f and 5p Rydberg wavepacket dynamics studied by femtosecond time-resolved photoelectron spectroscopy, J. Chem. Phys. 127, 124318 (2007). (Full Text)


  411. T. Pfeifer, A. Jullien, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, Generating coherent broadband continuum soft-X-ray radiation by ionization gating with multicycle pulses, Optics Express 15, 17120 (2007). (Full Text)


  412. J. K. Song, U. Willer, J. M. Szarko, S. R. Leone, S. Li, and Y. Zhao, Ultrafast lasing dynamics in single ZnO nanowire lasers, J. Phys. Chem. C. 112, 1679 (2008). (Full Text)


  413. G. Meloni, T. M. Selby, F. Goulay, S. R. Leone, D. L. Osborn, and C. A. Taatjes, Photoionization of 1-alkenylperoxy and alkylperoxy radicals and a general rule for the stability of their cations, J. Am. Chem. Soc. 129, 14019 (2007). (Full Text)


  414. D. Strasser, F. Goulay, and S. R. Leone, Transient photoelectron Spectroscopy of the dissociative Br21&Piu state J. Chem. Phys. 127, 184305 (2007). (Full Text) AFOSR supported publication


  415. H. Merdji, T. Auguste, W. Boutu, J. P. Caumes, B. Carré, T. Pfeifer, A. Jullien, D. M. Neumark, and S. R. Leone, Isolated attosecond pulses using a detuned second harmonic field, Optics Letters, 32, 3134 (2007). (Full Text)


  416. A. Jullien, T. Pfeifer, M. J. Abel, P. M. Nagel, S. R. Leone, and D. M. Neumark, Generation of coherent, broadband and tunable soft x-ray continuum at the leading edge of the driver laser pulse, Laser Spectroscopy: Proceedings of the XVIII international conference on ICOLS 2007; L. Hollberg, J. Berquist, and M. Kasevich; World Scientific Publication (2008).


  417. E. W. Lerch, X. Dai, E. A. Torres, J. B. Ballard, H. U. Stauffer, and S. R. Leone, Manipulation of rovibronic wave packet composition using chirped ultrafast laser pulses, J. Phys. B: At. Mol. Opt. Phys. 41, 074015 (2008). (Full Text)


  418. Z. H. Kim, and S. R. Leone, Polarization-selective mapping of near-field intensity and phase around gold nanoparticles using apertureless near-field microscopy, Optics Express, 16, 1733 (2008). (Full Text)


  419. D. Strasser, L. H. Haber, B. Doughty, and S. R. Leone, Ultrafast predissociation of superexcited nitrogen molecules, Molecular Phys. 106, 275 (2008). (Full Text) AFOSR supported publication


  420. V. G. Stavros, and S. R. Leone, The influence of ion gratings in rotational wavepacket dynamics in H2, Chem. Phys. Lett. 452, 33 (2008). (Full Text)


  421. Y. E. Romanyuk, L. D. Kranz, and S. R. Leone, Effect of band gap on the red luminescence capability of Pr-doped InGaN layers grown by molecular beam epitaxy, J. App. Phys. 103, 073104 (2008). (Full Text)


  422. Z. Loh and S. R. Leone, Ultrafast strong-field dissociative ionization dynamics of CH2Br2 probed by femtosecond x-ray transient absorption spectroscopy, J. Chem. Phys. 128, 204302 (2008). (Full Text)


  423. Z. Loh, M. Khalil, R. E. Correa, and S. R. Leone, A table-top femtosecond time-resolved soft x-ray transient absorption spectrometer, Rev. Sci. Instrum. 79, 073101 (2008). (Full Text)


  424. A. Jullien, T. Pfeifer, M. J. Abel, P. M. Nagel, J. Bell, D. M. Neumark, and S. R. Leone, Ionization phase-match gating for wavelength-tunable isolated attosecond pulse generation, Appl. Phys. B 93, 433 (2008). (Full Text)


  425. A. J. Trevitt, F. Goulay, G. Meloni, D. L. Osborn, C. A. Taatjes, and S. R. Leone, Isomer-specific product detection of CN radical reactions with ethene and propene by tunable VUV photoionization mass spectrometry, Int. J. Mass Spectrom. 280, 1-3, 113 (2008). (Full Text)


  426. T. M. Selby, G. Meloni, F. Goulay, S. R. Leone, C. A. Taatjes, A. Fahr, and D. L. Osborn, Synchrotron photoionization mass spectrometry measurements of kinetics and product formation in the allyl radical (H2CCHCH2) self-reaction, J. Phys. Chem. A 112, 9366 (2008). (Full Text)


  427. F. Goulay, A. J. Trevitt, G. Meloni, T. M. Selby, D. L. Osborn, C. A. Taatjes, and S. R. Leone, Cyclic versus linear isomers produced by reaction of the methylidyne radical (CH) with small unsaturated hydrocarbons, J. Am. Chem. Soc. 131, 933 (2009). (Full Text)


  428. T. Pfeifer, M. J. Abel, P. M. Nagel, A. Jullien, Z.-H. Loh, M. J. Bell, D. M. Neumark, and S. R. Leone, Time-resolved spectroscopy of attosecond quantum dynamics, Chem. Phys. Lett. 463, 11 (2008). (Full Text)


  429. L. H. Haber, B. Doughty, and S. R. Leone, Continuum phase shifts and partial cross-sections of helium atom excited states measured by high harmonic pump-probe velocity map imaging, Phys. Rev. A 79, 031401 (2009). (Full Text)


  430. D. L. Osborn, P. Zou, H. Johnsen, C. C. Hayden, C. A. Taatjes, V. D. Knyazev, S. W. North, D. S. Peterka, M. Ahmed, and S. R. Leone, The multiplexed chemical kinetic photoionization mass spectrometer: a new approach to isomer-resolved chemical kinetics, Chem. Phys. Lett. 79, 104103 (2008). (Full Text)


  431. K. L. Knappenberger, Jr., D. B. Wong, W. Xu, A. M. Schwartzberg, A. Wolcott, J. Z. Zhang, and S. R. Leone, Excitation-wavelength dependence of fluorescence intermittency in CdSe nanorods, ACS Nano 2, 2143 (2008). (Full Text)


  432. L. H. Haber, B. Doughty, and S. R. Leone, Photoelectron velocity map imaging of single-photon and pump-probe ionization of noble gases using femtosecond high-order harmonics, Proceedings of the Pan American Advanced Studies Institute Conference (submitted) (2008).


  433. Y. E. Romanyuk, D. Krier, Y. Cui, K. M. Yu, J. W. Ager III, and S. R. Leone, Molecular beam epitaxy of InGaN on Si (111): effect of substrate nitridation, Thin Solid Films 517, 6512 (2009). (Full Text)


  434. J. W. Ager III, L. A. Reichertz, Y. Cui, Y. E. Romanyuk, D. Kreier, S. R. Leone, K. M. Yu, W. J. Schaff, and W. Walukiewicz, Electrical properties of InGaN-Si heterojunctions, Phys. Status Solidi C, 6, S413 (2008). (Full Text)


  435. M. J. Abel, T. Pfeifer, A. Jullien, P. M. Nagel, M. J. Bell, D. M. Neumark, and S. R. Leone, Carrier-envelope phase dependent quantum interferences in multiphoton ionization, J. Phys. B: At. Mol. Opt. Phys. 42, 075601 (2009). (Full Text)


  436. S. R. Leone, Autobiography of Stephen R. Leone, J. Phys. Chem. A 112, 9169 (2008). (Full Text)


  437. A. G. Caster, S. Kowarik, A. M. Schwartzberg, O. Nicolet, S. H. Lim, and S. R. Leone, Observing hydrogen silsesquioxane cross-linking with broadband CARS, J. Raman Spectrosc. 40, 770 (2009). (Full Text)


  438. L. K. Takahashi, J. Zhou, K. R. Wilson, S. R. Leone, and M. Ahmed, Imaging with mass spectrometry: A SIMS and VUV-photoionization study of ion-sputtered atoms and clusters from GaAs and Au, J. Phys. Chem. A. 113, 4035 (2009). (Full Text)


  439. J. D. Smith, J. H. Kroll, C. D. Cappa, D. L. Che, M. Ahmed, S. R. Leone, D. R. Worsnop, and K. R. Wilson, The heterogeneous reaction of hydroxyl radicals with sub-micron squalane particles: A model system for understanding the oxidative aging of ambient aerosols, Atmos. Chem. Phys. 9, 3209 (2009). (Full Text)


  440. Y. Abate, A. Schwartzberg, D. Strasser, and S. R. Leone, Nanometer-scale size dependent imaging of cetyl trimethyl ammonium bromide (CTAB) capped and uncapped gold nanoparticles by apertureless near-field optical microscopy, Chem. Phys. Lett. 474, 146 (2009). (Full Text)


  441. T. Pfeifer, M. J. Abel, P. . Nagel, W. Boutu, M. J. Bell, Y. Liu, D. . Neumark, and S. R. Leone, Measurement and optimization of isolated attosecond pulse contrast, Opt. Lett. 34, 1819 (2009). (Full Text)


  442. O. Kostko, S. K. Kim, S. R. Leone, and M. Ahmed, Determination of Ionization Energies of Small Silicon Clusters with Vacuum Ultraviolet Radiation, J. Phys. Chem. A 114, 3176 (2010). (Full Text)


  443. D. L. Che, J. D. Smith, S. R. Leone, M. Ahmed, and K. R. Wilson, Determining the reactive uptake of OH by organic aerosols in a continuous flow stirred tank reactor, Phys. Chem. Chem. Phys. 11, 7885 (2009). (Full Text)


  444. L. H. Haber, B. Doughty, and S. R. Leone, Photoelectron angular distributions and cross section ratios of two-color two-photon above threshold ionization of argon, J. Phys. Chem. A 113, 13152 (2009). (Full Text)


  445. M. J. Abel, T. Pfeifer, P. M. Nagel, W. Boutu, M. J. Bell, C. P. Steiner, D. M. Neumark, and S. R. Leone, Isolated attosecond pulses from ionization gating of high harmonic emission, Chem. Phys. 366, 9 (2009). (Full Text)


  446. O. Kornilov, C. C. Wang, A. Healy, M. Leonard, C. Peng, S. R. Leone, D. M. Neumark, and O. Gessner, Ultrafast dynamics in Helium nanodroplets probed by femtosecond time-resolved EUV photoelectrom imaging, J. Phys. Chem. A 114, 1437 (2010). (Full Text)


  447. O. Kostko, S. R. Leone, M. A. Duncan, and M. Ahmed, Determination of Ionization Energies of Small Silicon Clusters with Vacuum Ultraviolet Radiation, J. Phys. Chem. A 114, 3176 (2009). (Full Text)


  448. E. Goulielmakis, Z.-H. Loh, A. Wirth, R. Santra, N. Rohringer, V. S. Yakovlev, S. Zherebtsov, T. Pfeifer, A. M. Azzeer, M. F. Kling, S. R. Leone, and F. Krausz, Real-time observation of valence electron motion, Nature 466, 739 (2010).(Full Text)


  449. S. D. Chambreau, G. L. Vaghjiani, A. To, C. Koh, D. Strasser, O. Kostko, and S. R. Leone, Heats of vaporization of room temperature ionic liquids by tunable vacuum ultraviolet photoionization, J. Phys. Chem. B. 114, 1361 (2010). (Full Text) AFOSR supported publication


  450. A. J. Trevitt, F. Goulay, C. A. Taatjes, D. L. Osborn, and S. R. Leone, Reactions of the CN radical with benzene and toluene: product detection and low temperature kinetics, J. Phys. Chem. A. 114, 1749 (2010). (Full Text)


  451. D. Strasser, F. Goulay, L. Belau, O. Kostko, C. Koh, S. D. Chambreau, G. Vaghjiani, M. Ahmed, and S. R. Leone, Tunable wavelength soft photoionization of ionic liquid vapors, J. Phys. Chem. A. 114, 879 (2010). (Full Text) AFOSR supported publication


  452. L. H. Haber, B. Doughty, and S. R. Leone, Time-resolved photoelectron angular distribution and cross section ratios of two-color two-photon above threshold ionization of helium, Molec. Phys. 108, 1241 (2010). (Full Text)


  453. S. Soorkia, A. J. Trevitt, T. M. Selby, D. L. Osborn, C. A. Taatjes, K. R. Wilson, and S. R. Leone, Reaction of the C2H radical with 1-butyne (C4H6): low temperature kinetics and isomer-specific product detection, J. Phys. Chem. A. 114, 3340 (2010). (Full Text)


  454. Y. Ogawa, S. Takahashi, F. Minami, Y. Abate, S. R. Leone, and A. V. Baranov, Nanometer-scale dielectric constant of Ge quantum dots using apertureless near-field scanning optical microscopy, Appl Phys. Lett. 96, 063107 (2010). (Full Text)


  455. S. R. Leone, M. Ahmed, and K. R. Wilson, Chemical dynamics, molecular energetics, and kinetics at the synchrotron, Phys. Chem. Chem. Phys. 12, 6564 (2010). (Full Text)


  456. S. Soorkia, C. A. Taatjes, D. L. Osborn, T. M. Selby, A. J. Trevitt, D. R. Wilson, and S. R. Leone, Direct detection of pyridine formation by the reaction of CH (CD) with pyrrole: a ring expansion reaction, Phys. Chem. Chem. Phys.12, 8750 (2010). (Full Text)


  457. J. Zhou, L. K. Takahashi, K. R. Wilson, S. R. Leone, and M. Ahmed, Internal energies of ion desorbed neutral tryptophan and thymine molecules determined by vacuum ultraviolet photoionization, Anal. Chem. 82, 3905 (2010). (Full Text)


  458. M. Hoener, L. Fang, O. Kornilov, O. Gessner, S. T. Pratt, M. Gühr, E. P. Kanter, C. Blaga, C. Bostedt, J. D. Bozek, P. H. Bucksbaum, C. Buth, M. Chen, R. Coffee, J. Cryan, L. DiMauro, M. Glownia, E. Hosler, E. Kukk, S. R. Leone, B. McFarland, M. Messerschmidt, B. Murphy, V. Petrovic, D. Rolles, and N. Berrah, Ultra- intense x-ray induced ionization, dissociation and frustrated absorption in molecular nitrogen , Phys. Rev. Lett. 104, 253002 (2010). (Full Text)


  459. A. G. Caster, S. Kowarik, A. M. Schwartzberg, S. R. Leone, A. T. Tivanski, and M. K. Gilles, Quantifying reaction spread and x-ray exposure sensitivity in hydrogen silsesquioxane latent resist patterns with x-ray spectromicroscopy , J. Vac. Sci. Technol. B 28, 1304 (2010). (Full Text)


  460. S. Kowarik, K. Broch, A. Hinderhofer, A. Schwartzberg, J. O. Osso, D. Kilcoyne, F. Schreiber, and S. R. Leone, Crystal grain orientation in organic homo- and heteroepitaxy of pentacene and perfluoro pentacene studied with x-ray spectromicroscopy, J. Phys. Chem. C. 114, 13061 (2010). (Full Text)


  461. L. Fang, M. Hoener, S. T. Pratt, F. Tarantelli, C. Buth, M. Gühr, O. Kornilov, O. Gessner, E. Kanter, C. Bostedt, J. D. Bozek, P. H. Bucksbaum, M. Chen, R. Coffee, J. Cryan, J. M. Glownia, E. Kukk, S. R. Leone, and N. Berrah, Double core hole production in N2: beating the Auger clock , Phys. Rev. Lett. 105, 083005 (2010). (Full Text)


  462. B. Doughty, L. H. Haber, C. Hackett, and S. R. Leone, Photoelectron angular distributions from autoionizing 4s14p66p1 states in atomic krypton probed with femtosecond time resolution , J. Chem. Phys. 134, 094307 (2011). (Full Text)


  463. L. K. Takahashi, J. Zhou, O. Kostko, A. Golan, S. R. Leone, and M. Ahmed, Vacuum-ultraviolet photoionization and mass spectrometric characterization of lignin monomers coniferyl and sinapyl alcohols , J. Phys. Chem. A 115, 3279 (2011).(Full Text)


  464. O. Bünermann, O. Kornilov, S. R. Leone, D. M. Neumark, and O. Gessner, Femtosecond extreme ultraviolet ion imaging of ultrafast dynamics in electronically excited helium nanodroplets , IEEE J. Sel. Top. Quantum Electron. 18, 308 (2012). (Full Text)


  465. M. J. Abel, D. M. Neumark, S. R. Leone, and T. Pfeifer, Classical and quantum control of electrons using the carrier-envelope phase of strong laser fields , Laser Photonics Rev. 25, 1 (2011). (Full Text)


  466. H. Mashiko, M. J. Bell, A. R. Beck, M. J. Abel, P. M. Nagel, C. P. Steiner, J. Robinson, D. M. Neumark, and S. R. Leone , Tunable frequency-controlled isolated attosecond pulses characterized by either 750 nm or 400 nm wavelength streak fields , Opt. Exp. 18, 25887 (2010). (Full Text)


  467. A. A. Cordones, T. J. Bixby, and S. R. Leone, Evidence for multiple trapping mechanisms in single CdSe/ZnS quantum dots from fluorescence intermittency measurements over a wide range of excitation intensities , J. Phys. Chem. C 115, 6341 (2011). (Full Text)


  468. L. H. Haber, B. Doughty, and S. R. Leone, Energy-dependent photoelectron angular distributions of two-color two-photon above threshold ionization of atomic helium , Phys. Rev. A 84, 013416 (2011). (Full Text)


  469. C. J. Koh, C. L. Liu, C. Harmon, D. Strasser, A. Golan, O. Kostko, S. D. Chambreau, G. L. Vaghjiani, and S. R. Leone, Soft ionization of thermally evaporated hypergolic ionic liquid aerosols , J. Phys. Chem. 115, 4630 (2011). (Full Text) AFOSR supported publication


  470. O. Kornilov, O. Bünermann, D. J. Haxton, S. R. Leone, D. M. Neumark, and O. Gessner, Femtosecond photoelectron imaging of transient electronic states and Rydberg atom emission from electronically excited He droplets , J. Phys. Chem. A 115, 7891 (2011). (Full Text)


  471. C.-L. Liu, J. D. Smith, D. L. Che, M. Ahmed, S. R. Leone, and K. R. Wilson, The direct observation of secondary radical chain chemistry in the heterogeneous reaction of chlorine atoms with submicron squalane droplets , Phys. Chem. Chem. Phys. 13, 8993 (2011). (Full Text)


  472. T. G. Habteyes, S. Dhuey, D. Cabrini, P. J. Schuck, and S. R. Leone, Theta-shaped plasmonic nanostructures: bringing "dark" multipole Plasmon resonances into action via conductive and capacitive coupling , Nano Lett. 11, 1819 (2011). (Full Text)


  473. A. A. Cordones, T. J. Bixby, and S.R. Leone, Direct measurement of off-state trapping rate fluctuations in single quantum dot fluorescence , Nano Lett. 11, 3366 (2011). (Full Text)


  474. P. M. Nagel, J. S. Robinson, B. Harteneck, T. Pfeifer, M. J. Abel, J. S. Prell, D. M. Neumark, R. A. Kaindl, and S. R. Leone, Surface plasmon assisted electron acceleration in photoemission from gold nanopillars , Chem. Phys. 414, 106 (2013). (Full Text)


  475. B. Doughty, L. H. Haber, C. Hackett, and S. R. Leone, Femtosecond velocity map imaging of 4s14p6np1 (n=7,8) autoionizing states in atomic krypton , Phys. Rev. A. 84, 043433 (2011). (Full Text)


  476. J. Stiegler, Y. Abate, A. Cvitkovic, Y. E. Romanyuk, A. Huber, S. R. Leone, and R. Hillenbrand, Nanoscale infrared absorption spectroscopy of single sub-10 nm particles enabled by scattering-type near-field microscopy , ACS Nano 5, 6494 (2011).(Full Text)


  477. T. J. Bixby, A. A. Cordones, and S. R. Leone, CdSe/ZnS quantum dot intermittency in the semiconducting polymer N,N’-diphenyl-N,N’-bis(3-methylphenyl)-(1,1’-biphenyl)-4,4’-diamine (TPD) , Chem. Phys. Lett. 521, 7 (2012). (Full Text)


  478. A. J. Trevitt, S. Soorkia, J. D. Savee, T. S. Selby, D. L. Osborn, C. A. Taatjes, and S. R. Leone, Branching fractions of the CN + C3H6 reaction using synchrotron photoionization mass spectrometry: evidence for the 3-cyanopropene product , J. Phys. Chem. A 115, 13467 (2011). (Full Text)


  479. F. Goulay, S. Soorkia, G. Meloni, D. L. Osborn, C. A. Taatjes, and S. R. Leone, Detection of pentatetraene by reaction of the ethynyl radical (C2H) with allene (CH2=C=CH2) at room temperature , Phys. Chem. Chem. Phys. 13, 20820 (2011). (Full Text)


  480. F. Goulay, A. J. Trevitt, J. D. Savee, J. Bouwman, D. L. Osborn, C. A. Taatjes, K. R. Wilson, and S. R. Leone, Product detection of the CH radical reaction with acetaldehyde , J. Phys. Chem. A: A. R. Ravishankara Festschrift 116, 6091 (2012).(Full Text)


  481. S. Soorkia, C-L. Liu, J. D. Savee, S. J. Farrell, S. R. Leone, and K. R. Wilson, Airfoil sampling of a pulsed Laval beam with tunable vacuum ultraviolet (VUV) synchrotron ionization quadrupole mass spectrometry: application to low-temperature kinetics and product detection , Rev. Sci. Instrum. 82, 124102 (2011). (Full Text)


  482. A. Golan, K. B. Bravaya, R. Kudirka, O. Kostko, S. R. Leone, A. I. Krylov, and M. Ahmed, Ionization of dimethyluracil dimers leads to facile proton transfer in the absence of H-bonds , Nature Chem. 4, 323 (2012).(Full Text)


  483. S. D. Chambreau, J. A. Boatz, G. L. Vaghjiani, C. Koh, O. Kostko, A. Golan, and S. R. Leone, Thermal decomposition mechanism of 1-ethyl-3-methylimidazolium bromide ionic liquid , J. Phys. Chem. A: A. R. Ravishankara Festschrift 116, 5867 (2012). (Full Text) AFOSR supported publication


  484. C. J. Koh, and S. R. Leone, Simultaneous ion-pair photodissociation and dissociative ionization of an ionic liquid: velocity map imaging of vacuum-ultraviolet-excited 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide , Mol. Phys. 110, 1705 (2012). (Full Text) AFOSR supported publication


  485. B. Doughty, C. J. Koh, L. H. Haber, and S. R. Leone, Ultrafast decay of superexcited c4-μnlσg υ=0,1 states of O2 probed with Femtosecond Photoelectron Spectroscopy , J. Chem. Phys. 136, 214303 (2012). (Full Text)


  486. J. Bouwman, F. Goulay, S. R. Leone, and K. R. Wilson, Bimolecular rate constant and product branching ratio measurements for the reaction of C2H with ethene and propene at 79 K , J. Phys. Chem. A . 116, 3907 (2012). (Full Text)


  487. A. N. Pfeiffer, and S. R. Leone, Transparency of an isolated attosecond pulse in a strong-field dressed atom , Phys. Rev. A 85, 053422 (2012). (Full Text)


  488. S. H. Kessler, T. Nah, K. E. Daumit, J. D. Smith, S. R. Leone, C. E. Kolb, D. R. Worsnop, K. R. Wilson, and J. H. Kroll, OH-initiated heterogeneous aging of highly oxidized organic aerosol , J. Phys. Chem. A: A. R. Ravishankara Festschrift 116, 6358 (2012). (Full Text)


  489. T. G. Habteyes, S. Dhuey, D. Gargas, E. Wood, S. Cabrini, P. J. Schuck, A. P. Alivisatos, and S. R. Leone, Analysis of metallic adhesion layer induced plasmon damping and molecular linker as a non-damping alternative , ACS Nano. 6, 5702 (2012). (Full Text)


  490. A. A. Cordones, K. L. Knappenberger, Jr., and S. R. Leone, Linking on-state memory and distributed kinetics in single nanocrystal blinking , J. Phys. Chem. B: Paul F. Barbara Memorial (2012). (Full Text)


  491. O. Bünermann, O. Kornilov, D. Haxton, S. R. Leone, D. M. Neumark, and O. Gessner, Ultrafast probing of ejection dynamics of Rydberg atoms and molecular fragments from electronically excited helium nanodroplets , J. Chem. Phys. 137 214302 (2012). (Full Text)


  492. J. S. Prell, L. J. Borja, D. M. Neumark, and S. R. Leone, Simulation of attosecond-resolved imaging of the plasmon electric field in metallic nanoparticles , Ann. Phys. (Berlin), 525, 151 (2013). (Full Text)


  493. A. Shavorskiy, A. A. Cordones, J. Vura-Weis, K. Sieferman, D. Slaughter, F. Sturm, F. Weise, M. Strader, H. Cho, M. F. Lin, C. Bacellar, C. Khurmi, M. Hertlein, T. Wright, J. Guo, H. Bluhm, T. Tyliszczak, D. Prendergast, G. Coslovich, J. Robinson, R. Kaindl, R. W. Schoenlein, A. Belkacem, T. Weber, D. M. Neumark, S. R. Leone, D. Nordlund, H. Ogasawara, A. R. Nilsson, O. Krupin, J. J. Turner, W. F. Schlotter, M. R. Holmes, P. A. Heimann, M. Messerschmidt, M. P. Minitti, M. Beye, S. Gul, J. Zhang, N. Huse, and O. Gessner, Time-resolved x-ray photoelectron spectroscopy techniques for real-time studies of interfacial charge transfer dynamics , AIP Conf. Proc. (CAARI) 1525, 475 (2013). (Full Text)


  494. M. F. Lin, A. N. Pfeiffer, D. M. Neumark, S. R. Leone, and O. Gessner, Strong-field induced XUV transmission and Autler-Townes multiplet splitting in 4d-16p core-excited Xe studied by femtosecond XUV transient absorption spectroscopy , J. Chem. Phys. 137, 244305 (2012). (Full Text)


  495. F. Weise, D. M. Neumark, S. R. Leone, and O. Gessner, Differential near-edge coherent diffractive imaging using a femstosecond high-harmonic XUV light source , Opt. Exp. 20, 26167 (2012). (Full Text)


  496. A. A. Cordones, M. Scheele, A. P. Alivisatos, and S. R. Leone, Probing the interaction of single nanocrystals with inorganic capping ligands: time-resolved fluorescence from CdSe-CdS quantum dots capped with chalcogenidometalates , J. Amer. Chem. Soc. 134, 18366 (2012). (Full Text)


  497. S. Chen, M. J. Bell, A. R. Beck, H. Mashiko, M. Wu, A. N. Pfeiffer, M. B. Gaarde, D. M. Neumark, S. R. Leone, and K. J. Schafer, Light-induced states in attosecond transient absorption spectra of laser-dressed helium , Phys. Rev. A 86, 063408 (2012). (Full Text)


  498. S. Soorkia, J. D. Savee, S. R. Leone, and K. R. Wilson, Radical-neutral chemical reactions studied at low temperature with VUV synchrotron photoionization mass spectrometry: the reaction of C2H with allene (C3H4) at 79 K , 28th International Symposium on Rarefied Gas Dynamics, American Institute of Physics Conference Proceedings 1501, 1365 (2012). (Full Text)


  499. S. D. Chambreau, G. L. Vaghjiani, C. Koh, A. Golan, and S. R. Leone, Ultraviolet photoionization efficiency of the vaporized ionic liquid 1-butyl-3-methylimidazolium tricyanomethanide: direct detection of the intact ion pair , J. Phys. Chem. Lett. 3, 2910 (2012). (Full Text) AFOSR supported publication


  500. A. A. Cordones, and S. R. Leone, Mechanisms for charge trapping in single semiconductor nanocrystals probed by fluorescence blinking , Chem. Soc. Rev. 42, 3209-3221 (2013). (Full Text)


  501. T. Nah, M. Chan, S. R. Leone, and K. R. Wilson, Real time in situ chemical characterization of sub-micron organic particles using direct analysis in real time mass spectrometry (DART-MS) , Anal. Chem. 85, 2087 (2013). (Full Text)


  502. Z.-H. Loh, and S. R. Leone, Capturing ultrafast quantum dynamics with femtosecond and attosecond x-ray core-level absorption spectroscopy , J. Phys. Chem. Lett. 4, 292 (2013). (Full Text)


  503. C. Hahn, A. A. Cordones, S. C. Andrews, H. Gao, A. Fu, S. R. Leone, and P. Yang, Effect of thermal annealing in ammonia on the properties of InGaN nanowires with different indium concentrations , J. Phys. Chem. C 117, 3627 (2013). (Full Text)


  504. H.-A. Chen, C.-L. Hsin, Y.-T. Huang, M. L. Tang, S. Dhuey, S. Cabrini, W.-W.Wu, and S. R. Leone, Measurement of interlayer screening length of layered graphene by plasmonic nanostructure resonances , J. Phys. Chem. C 117, 22211 (2013). (Full Text)


  505. A. N. Pfeiffer, S. G. Sayres, and S. R. Leone, Calculation of valence electron motion induced by sequential strong field ionization , Mol. Phys. 111, 2283 (2013). (Full Text)


  506. S. T. Kelly, P. Nigge, S. Prakash, A. Laskin, B. Wang, T. Tyliszczak, S. R. Leone, and M. K. Gilles, An environmental sample chamber for reliable scanning transmission x-ray microscopy measurements under water vapor , Rev. Sci. Instrum. 84, 073708 (2013). (Full Text)


  507. E. R. Hosler, and S. R. Leone, Characterization of Vibrational coherences by core-level high harmonic transient absorption , Phys. Rev. A 88, 023420 (2013). (Full Text)


  508. N. Lundt, S. T. Kelly, T. Rödel, B. Remez, A. M. Schwartzberg, A. Ceballos, C. Baldasseroni, F. Hellman, S. R. Leone, and M. K. Gilles, High spatial resolution Raman thermometry analysis of TiO2 microparticles on a microscopy micro heater , Rev. Sci. Instrum. 84, 104906 (2013). (Full Text)


  509. J. Bouwman, M. Fournier, I. Sims, S. R. Leone, and K. R. Wilson, Reaction rate and isomer-specific product branching ratios of C2H + C4H8: 1-butene, cis-2-butene, trans-2-butene and isobutene at 79 K , J. Phys. Chem. A 117, 5093 (2013). (Full Text)


  510. M. J. Bell, A. R. Beck, H. Mashiko, D. M. Neumark, and S. R. Leone, Intensity dependence of light induced states in transient absorption of laser dressed helium measured with isolated attosecond pulses , J. Mod. Opt. 60, 1506 (2013). (Full Text)


  511. A. Trevitt, M. Prendergast, F. Goulay, J. Savee, D. Osborn, C. Taatjes, and S. R. Leone, Production branching fractions of the CH + propene reaction from synchrotron photoionization mass spectrometry , J. Phys. Chem. A 117, 6450 (2013). (Full Text)


  512. J. Vura-Weis, C.-M. Jiang, C. Liu, H. Gao, J. M. Lucas, F. de Groot, P. Yang, A. P. Alivisatos, and S. R. Leone, Femtosecond M2,3-edge spectroscopy of transition metal oxides: photoinduced oxidation state change in α-Fe2O3 , J. Phys.Chem. Lett. 4, 3667 (2013). (Full Text)


  513. T. Nah, S. H. Kessler, K. E. Daumit, J. H. Kroll, S. R. Leone, and K. R. Wilson, OH-initiated oxidation of sub-micron unsaturated fatty acid particles: evidence for radical-induced polymerization reactions , Phys. Chem. Chem. Phys. 15, 18649 (2013). (Full Text)


  514. F. Bell, Q. Ruan, A. Golan, P. Horn, M. Ahmed, S. R. Leone, and M. Head-Gordon, Dissociative photoionization of glycerol and its Dimer occurs predominantly via a hydrogen-bonded ion complex , J. Amer. Chem. Soc. 135, 14229 (2013). (Full Text)


  515. A. N. Pfeiffer, M. J. Bell, A. R. Beck, H. Mashiko, D. M. Neumark, and S. R. Leone, Alternating absorption features during attosecond-pulse propogation in a laser-controlled gaseous medium, Phys. Rev. A 88, 051402(R) (2013). (Full Text)


  516. J. F. Lockyear, O. Welz, J. D. Savee, F. Goulay, A. J. Trevitt, C. A. Taatjes, D. L. Osborn, and S. R. Leone, Isomer specific product detection in the reaction of CH with acrolein, J. Phys. Chem. A 117, 11013 (2013). (Full Text)


  517. S. R. Leone, C. W. McCurdy, J. Burgdörfer, L. Cederbaum, Z. Chang, M. Dudovich, J. Feist, C. Greene, M. Ivanov, R. Kienberger, U. Keller, M. Kling, Z.-H. Loh, T. Pfeiffer, A. N. Pfeiffer, R. Santra, K. Schafer, A. Stolow, W. Thumm, and M. Vrakking, Attosecond science - what will it take to observe processes in 'real time', Nat. Photon. 8, 162–166 (2014). (Full Text)


  518. B. Bernhardt, A. R. Beck, X. Li, E. R. Warrick, M. J. Bell, D. J. Haxton, C. W. McCurdy, D. M. Neumark, and S. R. Leone, High-spectral-resolution attosecond absorption spectroscopy of autoionization in xenon, Phys. Rev. A 89, 023408 (2014). (Full Text)


  519. M.-F. Lin, D. M. Neumark, O. Gessner, and S. R. Leone, Ionization and dissociation dynamics of vinyl bromide probed by femtosecond extreme ultraviolet transient absorption spectroscopy, J. Chem. Phys. 140, 064311 (2014). (Full Text)


  520. M. E. Vaida, and S. R. Leone, Tracing dissociation dynamics of CH3Br in the 3Q0 state with femtosecond extreme ultravioilet ionization, Chem. Phys.(2014) (in press). (Full Text)


  521. N. Nijem, H. Bluhm, M. Kunz, S. R. Leone, and M. K. Gilles, Cu1+ in HKUST-1: selective gas adsorption in the presence of water, Chem Commun. 50, 10144 (2014). (Full Text)


  522. H. Mashiko, M. J. Bell, A. R. Beck, D. M. Neumark, and S. R. Leone, Frequency tunable attosecond apparatus, Springer Series in Chem. Phys. 106, 49 (2014). (Full Text)


  523. S. Chambreau, A. Schenk, A. Sheppard, G. Yandek, G. Vaghjiani, J. Maciejewski, C. Koh, A. Golan, and S. R. Leone, Thermal decomposition mechanisms of alkylimidazolium ionic liquids with cyano-functionalized anions, J. Phys. Chem. (submitted) (2014).


  524. J. F. Lockyear, M. Fournier, I. R. Sims, J.-C. Guillemin, C. A. Taatjes, D. L. Osborn, and S. R. Leone, Formation of fulvene in the reaction of C2H with 1,3-butadiene, Int. J. Mass. Spectrom. (in press) (2014). (Full Text)


  525. T. Nah, S. H. Kessler, K. E. Daumit, J. H. Kroll, S. R. Leone, and K. R. Wilson, Influence of molecular structure and chemical functionality on the heterogeneous OH-initiated oxidation of unsaturated organic particles, J. Phys. Chem. A 118, 4106 (2014). (Full Text)


  526. S. G. Sayres, E. R. Hosler, and S. R. Leone, Exposing the role of electron correlation in strong-field double ionization: x-ray transient absorption of orbital alignment in Xe+ and Xe2+, J. Phys. Chem. A 118, 8614 (2014). (Full Text)


  527. L. F. Gomez, K. R. Ferguson, J. P. Cryan, C. Bacellar, R. M. P. Tanyag, C. Jones, S. Schorb, D. Anielski, A. Belkacem, C. Bernando, R. Boll, J. Bozek, S. Carron, G. Chen, T. Delmas, L. Englert, S. W. Epp, B. Erk, L. Foucar, R. Hartmann, A. Hexemer, M. Huth, J. Kwok, S. R. Leone, J. H. S. Ma, F. R. N. C. Maia, E. Malmerberg, S. Marchesini, D. M. Neumark, B. Poon, J. S. Prell, D. Rolles, B. Rudek, A. Rudenko, M. Seifrid, K. R. Siefermann, F. P. Sturm, M. Swiggers, J. Ullrich, F. Weise, P. Zwart, C. Bostedt, O. Gessner, and A. F. Vilesov , Shapes and vorticities of superfluid helium nanodroplets, Science 345, 906 (2014). (Full Text)


  528. A. R. Beck, B. C. Bernhard, E. R. Warrick, M. Wu, S. Chen, M. Gaarde, K. J. Schafer, D. M. Neumark, and S. R. Leone, Attosecond transient absorption probing of electronic superpositions of bound states in neon: detection of quantum beats, New J. Phys. (in press) (2014).


  529. C.-M. Jiang, L. R. Baker, J. M. Lucas, J. Vura-Weis, A. P. Alivisatos, and S. R. Leone, Characterization of photo-induced charge transfer and hot carrier relaxation pathways in spinel cobalt oxide (Co3O4), J. Phys. Chem. C 118, 22774 (2014). (Full Text)


  530. L. R. Baker, C.-M. Jiang, S. T. Kelly, J. M. Lucas, J. Vura-Weis, M. K. Gilles, A. P. Alivisatos, and S. R. Leone, Charge carrier dynamics of photoexcited Co3O4 in methanol: extending high harmonic transient absorption spectroscopy to liquid environments, Nano Lett. 14, 5883 (2014). (Full Text)


  531. K. R. Siefermann, C. D. Pemmaraju, S. Neppl, A. Shavorskiy, A. A. Cordones, J. Vura-Weis, D. S. Slaughter, F. Sturm, F. Weise, H. Bluhm, M. L. Strader, H. Cho, M.-F. Lin, C. Bacellar, C. Khurmi, M. P. Hertlein, J. Guo, T. Tyliszczak, G. Coslovich, J. Robinson, R. A. Kaindl, R. W. Schoenlein, A. Belkacem, D. M. Neumark, S. R. Leone, D. Nordlund, H. Ogasawara, O. Krupin, J. J. Turner, W. F. Scholtter, M. R. Holmes, P. A. Heimann, M. Messerschmidt, M. P. Minitti, S. Gul, J. Z. Zhang, N. Huse, D. Prendergast, and O. Gessner, Atomic scale perspective of ultrafast charge transfer at a dye-semiconductor interface, J. Phys. Chem. Lett. 5, 2753 (2014). (Full Text)


  532. M. Schultze, K. Ramasesha, C. D. Pemmaraju, S. A. Sato, D. Whitmore, A. Gandman, J. S. Prell, L. J. Borja, D. Prendergast, K. Yabana, D. M. Neumark, and S. R. Leone, Attosecond band gap dynamics in silicon, Science (submitted) (2014).


  533. D. M. Popolan-Vaida, K. R. Wilson, and S. R. Leone, Reaction of I atoms with sub-micron squalane and squalene droplets: mechanistic insights into heterogeneous reactions, J. Phys. Chem. (submitted) (2014).


  534. A. R. Attar, L. Piticco, and S. R. Leone, Core-to-valence spectroscopic detection of the CH2Br radical and element-specific femtosecond photodissociation of CH2IBr, J. Phys. Chem. (in press) (2014).


  535. T. Nah, H. Zhang, D. Worton, C. Ruehl, B. Kirk, A. Goldstein, S. R. Leone, and K. R. Wilson, Isomeric product detection in the heterogeneous reaction of hydroxyl radicals with aerosol composed of branched and linear unsaturated organic molecules, J. Phys. Chem. (submitted) (2014).


  536. M. P. Ziemkiewicz, C. Bacellar, K. Siefermann, S. R. Leone, D. M. Neumark, and O. Gessner, Femtosecond time-resolved XUV + UV photoelectron imaging of pure helium nanodroplets, J. Chem. Phys. (in press) (2014).




  537. publication list updated October 24, 2014