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Research Interests: Physical Chemistry, Molecular Structure and Dynamics — The spectroscopy and dynamics of transition states, radicals, and clusters are investigated using frequency and time-domain techniques
Our research focuses on three areas in chemical dynamics and spectroscopy: (i) studies of reaction dynamics through a combination of transition state spectroscopy with state-resolved photodissociation experiments on stable molecules and reactive free radicals, (ii) size-dependent spectroscopy and dynamics of semiconductor clusters, and (iii) the effect of clustering and solvation on fundamental chemical processes. Novel experiments involving photodetachment of negative ion beams have been developed to address several of these issues. For example, the transition state spectroscopy of isolated reactions and reactions in clusters is studied by photodetachment and photoelectron spectroscopy of solvated transition state precursor anions. Femtosecond time-resolved photoelectron spectroscopy of negative ions is used to probe the effects of clustering on photodissociation and vibrational relaxation dynamics. We also perform experiments on neutral beams, and have recently set up an experiment in which the spectroscopy and dynamics of Rydberg states in doped helium nanodroplets is investigated with photoionization and photoelectron spectroscopy.
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Biography: Professor, Born 1955; B.A., M.A. Harvard University, 1977; Ph. D., Physical Chemistry, University of California, Berkeley, 1984; Postdoctoral Fellow, JILA, University of Colorado, 1984-86; Office of Naval Research Young Investigator, 1987; National Science Foundation Presidential Young Investigator, 1987; Alfred P. Sloan Fellow, 1989; Camille and Henry Dreyfus Teacher-Scholar, 1991; Fellow, American Physical Society, 1993; Fellow, American Association for the Advancement of Science, 1994; Alexander von Humboldt Senior Scientist, 1997; Miller Research Professor, 1999. Fellow of the American Academy of Arts and Sciences, 2000; American Chemical Society Nobel Laureate Signature Award (with Martin Zanni), 2000; Bomem-Michelson Award, 2001, Chairman of the ACS Division of Physical Chemistry, 2001; William F. Meggers Award, 2005; Chair of Division of Chemical Physics of the American Physical Society, 2007; Irving Langmuir Award in Chemical Physics, 2008. Professor Neumark has served on the editorial advisory boards of the Journal of Chemical Physics, the Journal of Physical Chemistry, Chemical Physics, Chemical Physics Letters, Molecular Physics, Accounts of Chemical Research, and PhysChemComm. He has been the Director of the Chemical Sciences Division at Lawrence Berkeley National Laboratory since 2000.
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