Levis Labs' Papers


Year 2003

Sequential nonadiabatic excitation of large molecules and ions driven by strong laser fields

Markevitch, AN; Romanov, DA; Smith, SM; Schlegel, BH; Ivanov, YM; Levis, RJ.
Phys. Rev. A, in press.

Coulomb explosion assisted by nonadiabatic charge localization

Markevitch, AN; Romanov, DA; Smith, SM; Levis, RJ.
Phys. Rev. Lett., in press.

Nonadiabatic dynamics of polyatomic molecules and ions in strong laser fields

Markevitch, AN; Smith, SM; Romanov, DA; Schlegel HB, Ivanov MY, Levis RJ
Phys. Rev. A, 68 (1): art. no.-011402 JUL 2003.

An investigation of the effects of experimental parameters on the closed-loop control of photoionization/dissociation processes in acetophenone

Graham, P; Menkir, G; Levis, RJ.
SPECTROCHIM ACTA B, 58 (6): 1097-1108 JUN 30 2003.

 

Year 2002

Nonadiabatic Dynamics of Polyatomic Molecules and Ions in Strong Laser Fields

      Alexei N. Markevitch, Stanley M. Smith, Dmitri A. Romanov,
      H. Bernhard Schlegel, Noel P. Moore, Misha Yu. Ivanov, and Robert J. Levis
      Phys. Rev. Lett., Submitted

Predicting Ionization Probabilities of CH3COX Species and Their Fragments

Muhannad M. Zamari, Madhavan Narayanan, Alexei N. Markevitch, H. B. Schlegel, and Robert J. Levis
J. Phys.Chem., Submitted

The Strong Field Photoelectron Spectroscopy of Naphthalene: Evidence for Transition from MPI to Tunnel Ionization in a Single Species

        Moore, N.P. and Levis R.J.
       ABSTR PAP AM CHEM S 221: 130-PHYS Part 2 APR 1 2001                                                

Closing the Loop on Bond Selective Chemistry using Tailored Strong Field Laser Pulses

        Levis, R.J., Rabitz, H.

       J. Phys.Chem. Feature article 106, 2002, 6427

The Influence of Characteristic Length on the Strong-Field Photoelectron Spectra of Biphenyl, Diphenylmethane and Diphenylethane

        Moore, N.P., Markevitch, A.N., and Levis, R.J.

       J. Phys.Chem., 106 1107-1112, 2002

“The Mechanisms of Strong Field Control of Chemical Reactivity using Tailored Laser Pulses”, a peer reviewed book chapter in Laser Control and Manipulation of Molecules, A.D. Bandrauk and R.J. Gordon eds.

     Moore, N.P., Markevitch A.N., Menkir G.M., and Levis R.J.
      ACS Press, Washington DC. 2002, pgs. 207-220

Year 2001

 Selective Bond Dissociation and Rearrangement with Optimally Tailored, Strong-Field Laser Pulses

        Robert J. Levis, Getahun M. Menkir, and Herschel Rabitz

         Science 292 (5517): 709-713 APR 27, 2001

The Effects of Molecular Structure on Strong Field Energy Coupling of Anthracene and Anthraquinone

      Alexei N. Markevitch, Noel P. Moore, and Robert J. Levis
      Abstracts of Papers of the American Chemical Society, 221: 400-PHYS, Part 2 APR 1 2001

The Mechanisms of Strong-Field Control of Chemical Reactivity Using Tailored Laser Pulses

       Noel P. Moore, Getahun M. Menkir, Alexei N. Markevitch, Paul Graham, and Robert J. Levis
       ACS Symposium Series in Chem. 2001

 The Influence of Molecular Structure on Strong Field Energy Coupling and Partitioning

        Alexei N. Markevitch, Noel P. Moore and Robert J. Levis
        Chem. Phys., 267(1-3), 131-140, 2001

Year 2000

The Strong Field Photoelectron Spectroscopy of Acetylene: Evidence for Short-Lived 4p Gerade States Via Electric Field-Induced REMPI

        Noel P. Moore and Robert J. Levis
        J. Chem. Phys. 112(3): 1316-1320, 2000

Femtosecond Near-Infrared Laser Desorption of Multilayer Benzene on Pt{111}: A Molecular Newton's Cradle?

     Arnolds, H., Rehbein, C., Roberts, G., Levis, R.J., King, D.A.
     J.Phys. Chem. B 104: 3375-3382, 2000

Orientational Averaging in the Intense Field Tunnel Ionization of Molecules

        DeWitt, M.J., Prall, B.P., Levis, R.J.
     J. Chem. Phys. 113: 1553-1558, 2000

Strong Field Photoelectron Spectroscopy of Spectroscopy of Polyatomic Molecules:  Acetylene

        Moore, N.P. and Levis, R.J.
        Multiphoton Processes, L.F. DiMauro, R.R. Freeman and K.C. Kulander, Eds. AIP
            Press, NY, 2000

Year 1999

Photoexcitation, Ionization and Dissociation of Molecules Using Intense Near-Infrared Radiation of Femtosecond Duration

Robert J. Levis and Merrick J. DeWitt
J. Phys. Chem. A 103(33): 6493-6507, 1999

Predicting Intense Field Laser Ionization Probabilities:   The Application to C2Hn Species

        Bradley S. Prall, Merrick J. DeWitt, and Robert J. Levis
        J. Chem. Phys. 111(7):  2865-2868, AUG 15, 1999

Concerning the Ionization of Large Polyatomic Molecules with Intense Ultrafast Lasers

Merrick J. DeWitt and Robert J. Levis
J. Chem. Phys. 110(23): 11368-11375, JUN 15, 1999

On the Coupling Mechanism of 780 nm Femtosecond Laser with Biphenyl, Diphenylmethane and Diphenylethane

        Billotto, R. and Levis R.J.
     Phys. Chem. A 103(41): 8160-8168, 1999

Femtosecond Near-Infrared Laser Desorption of Multilayer Benzene on Pt{111}:  Spatial Origin of Hyperthermal Desorption

        Arnolds, H., Rehbein, C., Roberts, G., Levis, R.J., king D.A.
     Chem. Phys. Lett. 314: 389-395, 1999

Year 1998

Observing the Transition From Multiphoton-Dominated to Field-Mediated Ionization Process for Polyatomic Molecules in Intense Laser Fields

M.J. DeWitt and R.J. Levis
Phys. Rev. Lett. 81(23): 5101-5104 DEC 7, 1998

Collision Induced Desorption of NO from Pt{111}: a Comparison Between the CID Binding Energies and the Activation Energy for Thermal Desorptionof Activation Energies for Desorption and CID Binding Energies

D. Velic and R.J. Levis
Surface Science 396(1-3): 327-339, JAN 20, 1998

The Role of Electron Delocalization in the Ionization of C6 Hydrocarbons Using Intense 780nm Laser Pulses of Femtosecond Duration

M.J. DeWitt and R.J. Levis
J. Chem. Phys. 108(17), 7045, 1998

Calculating the Keldysh Adiabaticity Parameter for Atoms, Molecules and Polyatomic Molecules

M.J. DeWitt and R.J. Levis
J. Chem. Phys. 108(18): 7739-7742, 1998

Year 1997

Photoionization of Polyatomic Molecules Using Intense, Near-Infrared Radiation of Femtosecond Duration

R.J. Levis and M.J. DeWitt
in Resonance Ionization Spectroscopy, N. Winograd, ed. AIP Press, NY, 1997 pgs. 45-50.

A Model for Estimating the Surface Effective Mass During Collision-Induced Processes on Pt{111}

D. Velic and R.J. Levis
Chem. Phys. Lett. 269:  59 1997

The Photoionization/Dissociation of Alkyl Substituted Benzene Molecules Using Intense Near-Infrared Radiation

M.J. DeWitt, D.W. Peters, and R.J. Levis
Chem. Phys. 218(1-2): 211-223, 1997

Detection of an Oligonucleotide Hybridized to a Planar Surface Using Laser Ejection, Mass Spectroscopy

G. Narayanaswami and R.J. Levis
J. Am. Chem. Soc. 119(29):  6888-6890, (1997)

Year 1996

Selective Collision-Induced Desorption: Measurement of the p-C2H4 Binding Energy on Pt{111} Precovered with Atomic Oxygen

D. Velic and R.J. Levis
J. Chem. Phys. 104(23):  9629-9639, 1996

Measurement of the Binding Energy for Di-  C2H4/Pt{111}:  Does a Radical Intermediate form During Thermal Desorption

G. Szulczewski and R.J. Levis
J. Am. Chem. Soc. 118(14):  3521-3522, 1996

High-Field Ionization of Molecules Using Ultrafast Radiation

M.J. DeWitt and R.J. Levis
Femtochemistry II - Ultrafast Chemical and Physical Processes in Molecular Systems, M. Chergui, Ed. World Scientific, 1996, pgs. 129-134.

Laser Ejection of Oligonucleotides

R.J. Levis
in Large Ions, Their Vaporization, Detection and Structural Analysis, Tomas Baer ed. Wiley, London, 1996, pg. 104-125.


Year 1995

Near-Infrared Femtosecond Photoionization of Cyclic Aromatic Hydrocarbons

M.J. DeWitt and R.J. Levis
J. Chem. Phys. 102(21): 8670-8673, 1995

Laser Vaporization and Multiphoton Ionization of an Anthracene-Labeled Nucleotide

J. Srinivasan, L. Romano, and R.J. Levis
J. Phys. Chem. 99:  13272, 1995

Collision-Induced Desorption of Ammonia on Pt{111}: From Direct Measurement of the Threshold Energy to Determination of the Surface-Adsorbate Bond Strength

G. Szulczewski and R.J. Levis
J. Chem. Phys. 103(23):  10238-10251, 1995

Year 1994

Nonthermal Surface Chemistry: Collision-Induced Reactions of NH3 on Pt{111}

G. Szulczewski and R.J. Levis
Proceedings of the OE/LASE '94 SPIE Laser Techniques for Surface Science, 1994, 2125, 252.

A Laser Desorption, Laser Ionization Time-of-Flight Mass Spectrometer for the Interrogation of Fragile Biomolecules

D. Schilke and R.J. Levis
Rev. Sci. Instrum. 65(6): 1903-1911, 1994

Laser Desorption and Ejection of Biomolecules from the Condensed Phase into the Gas Phase

R.J. Levis
Ann. Rev. Phys. Chem. 45:  483, 1994

Determination of a Chemisorption Bond Strength by Direct Measurement of the Threshold Desorption Energy; NH3 on Pt{111}

G. Szulczewski and R.J. Levis
J. Chem. Phys., 101(12):  11070-11073, 1994

Year 1993

Laser Vaporization and REMPI TOF Detection for DNA Sequencing

R.J. Levis
Proceedings of the 41st ASMS Conference on Mass Spectrometry, San Francisco, CA June, 1993 pg. 786.

A Theory for Calculating the Surface-Adsorbate Bond Dissociation Energy from Collision-Induced Desorption Threshold Measurements

G. Szulczewski and R.J. Levis
J. Chem. Phys. 98(7): 5974-5977, 1993

Year 1992

Laser Vaporization and REMPI TOF Detection for DNA Sequencing

R.J. Levis, L.J. Romano, J. Rajan, D. Schilke, and M. DeWitt
Proceedings of the 1992 Conference on Instrumentation for Time-of-Flight Mass Spectrometry, Chestnut Ridge, NY, Nov. 1992.

High Speed DNA Sequencing in the Gas Phase

R.J. Levis, L.J. Romano, J. Rajan, D. Schilke, and M. DeWitt
Proceedings of the SPIE Biomedical Optics Society Meeting on Advances in DNA Sequencing, 1992, 1891, 102.

Year 1991

Laser Vaporization of Single-Stranded DNA; A Study of Photoinduced Phosphodiester Bond Cleavage

R.J. Levis and L.J. Romano
J. Am. Chem. Soc. 113, 7802 (1991)

Nondestructive Laser Vaporization of High Molecular Weight, Single-Stranded DNA

L.J. Romano and R.J. Levis
J. Am. Chem Soc. 113, 9665 (1991)

Spatially Resolved Detection of Bioarrays

G. Narayanaswami and R.J. Levis
J. Am. Chem. Soc., submitted

On the Derivation of the Keldysh Adiabaticity Parameter for Ionization of Atoms Using Intense Laser Fields

M.J. DeWitt and R.J. Levis
J. Phys. B: At. Mol. Opt. Phys., submitted

 

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