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Laser-Induced Desorption Determinations of Surface Diffusion on Rh(111)

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Diffusion at Interfaces: Microscopic Concepts

Part of the book series: Springer Series in Surface Sciences ((SSSUR,volume 12))

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Abstract

Surface diffusion of hydrogen, deuterium and CO on Rh(111) has been investigated by laser-induced thermal desorption (LITD) and compared with previous results for these species on Pt(111) and on other metals. For deuterium in the coverage range 0.02 < θ < 0.33, the pre-exponential factor D0 = 8 × 10−2 cm2/s, with a diffusion activation energy 3.7 < Ediff < 4.3 kcal/mol. For CO, Ediff = 7 kcal/mol, but D0 rises from 10−3 to 10−2 cm2/s between θ = 0.01 and 0.40.

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Author information

Author notes

  1. E. G. Seebauer

    Present address: Department of Chemical Engineering, University of Illinois, 61801, Urbana, IL, USA

Authors and Affiliations

  1. Laser and Atomic Physics Divison, Sandia National Laboratories, 87185, Albuquerque, New Mexico, USA

    E. G. Seebauer

  2. Department of Chemical Engineering and Materials Science, University of Illinois, Urbana, IL, 61801, USA

    L. D. Schmidt

Authors
  1. E. G. Seebauer
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  2. L. D. Schmidt
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Editor information

Editors and Affiliations

  1. Laboratory for Surface Science & Technology, Department of Physics, University of Maine at Orono, 04469, Orono, ME, USA

    Michael Grunze  & Jeffrey J. Weimer  & 

  2. Department of Physics, Dalhousie University, B3H3J5, Halifax, Nova Scotia, Canada

    Hans Jürgen Kreuzer

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© 1988 Springer-Verlag Berlin Heidelberg

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Seebauer, E.G., Schmidt, L.D. (1988). Laser-Induced Desorption Determinations of Surface Diffusion on Rh(111). In: Grunze, M., Weimer, J.J., Kreuzer, H.J. (eds) Diffusion at Interfaces: Microscopic Concepts. Springer Series in Surface Sciences, vol 12. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-73632-2_3

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  • DOI: https://doi.org/10.1007/978-3-642-73632-2_3

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-73634-6

  • Online ISBN: 978-3-642-73632-2

  • eBook Packages: Springer Book Archive

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