Goddard Space Flight Cente r
Astrochemistry Laboratory

Astrochemistry Laboratory


Picture of Louis Stief

Louis J. Stief

Astrochemistry Laboratory
NASA/GSFC, Code 691
Greenbelt, MD 20771


Current Position


    Emeritus Senior Scientist, Astrochemistry Laboratory

Education


1955 B.A. La Salle College, Philadelphia, PA
1960 Ph.D. Catholic University of America, Washington, DC

Professional Experience


    1960-1961 NAS-NRC Postdoctoral Associate, National Bureau of Standards
    1961-1962 NATO Postdoctoral Fellow, Sheffield University, U.K.
    1962-1963 Independent Research Worker, Sheffield University, U.K.
    1963-1968 Senior Chemist and subsequently Senior Scientist, Melpar, Inc.
    1968-1969 NAS-NRC Senior Postdoctoral Research Associate, GSFC
    1969-1976 Space Scientist, Astrochemistry Branch, GSFC
    1976-1990 Head, Astrochemistry Branch, GSFC


PROFESSIONAL SOCIETIES


  • American Geophysical Union
  • American Astronomical Society - Division of Planetary Sciences
  • Washington Academy of Science (Fellow)
  • American Chemical Society
  • American Physical Society
  • Sigma XI
  • Royal Society of Chemistry


    • AWARDS


  • Special Achievement Award - 1978
  • Group Achievement Award - 1978
  • Goddard Research and Study Fellowship - 1981
  • Alumni Achievement Award, Catholic University of America - 1985
  • Goddard Exceptional Achievement Award - 1997


    • Sabattical Leave:


    Department of Chemistry
    York University, Toronto, Canada
    Summer of 1971

    Department of Chemistry
    Queen Mary College, London University
    London, England
    1981-1982


    Selected Publications


    1997  "Temperature and Isotope Dependence of the Reaction of Methyl Radicals with Deuterium Atoms," P. N. Seakins, S. H. Robertson, M. J. Pilling, D. M. Wardlaw, F. L. Nesbitt, R. P. Thorn, W. A. Payne and L. J. Stief, J. Phys. Chem. in press.

    1996  "Experimental 300K Measurement of the Rate Constant of the Reaction OH+BrO Æ Products," ; D. J. Bogan, R. P. Thorn, F. L. Nesbitt and L. J. Stief, J. Phys. Chem. 100, 14383.

    1996  "Rate Constant and Product Branching for the Vinyl Radical Self Reaction at T=298K," R. P. Thorn, W. A. Payne, L. J. Stief and D. C. Tardy, J. Phys. Chem. 100, 13954.

    1996  "The reaction between N(4S) and C2H3: rate constant and primary reaction channels," W. A. Payne, P. S. Monks, F. L. Nesbitt and L. J. Stief, J. Phys. Chem. 104, 9808.

    1995  "Photoionization Man Spectrometric Study of HOI: Photoionization Efficiency Spectrum and Ionization Energy," P. S. Monks, L. J. Stief, D. C. Tardy, J. F. Liebman, Z. Zhang, S. C. Kuo and R. B. Klemm, J. Phys. Chem. 99, 16566.

    1995  "The Reaction O + HOBr: Temperature Dependence of the Rate Constant and Importance of the Reaction as an HOBR Stratospheric Loss Process," F. L. Nesbitt, P. S. Monks, W. A. Payne, L. J. Stief and R. Toumi, Geophys. Res. Lett., 22, 827.

    1994  "A Discharge-Flow Photoionization Mass Spectrometric Study of the HOBr(X1A): Photoion Yield Spectrum, Ionization Energy and Thermochemistry," P. S. Monks, L. J. Stief, M. Krauss, S. C. Kuo and R. B. Klemm, J. Chem. Phys. 100, 1902.

    1993  "The Kinetics of the Formation of Nitrile Compounds in the Atmospheres of Titan and Neptune," P. S. Monks, P. N. Romani, F. L. Nesbitt, M. Scanlon and L. J. Stief, J. Geophys. Res. 98, 17, 115.

    1993  "The Reaction of Atomic Hydrogen with Germane: Temperature Dependence of the Rate Constant and Implications for Germane Photochemistry in the Atmospheres of Jupiter and Saturn," D. F. Nava, W. A. Payne, G. Marston, and L. J. Stief, J. Geophys. Res. 98, 5531.

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