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Non-Adiabatic Processes in Field Desorption Phenomena

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Part of the Springer Series in Solid-State Sciences book series (SSSOL,volume 59)

Abstract

The field-induced desorption phenomenon [1] of surface atoms or adsorbed molecules gives direct information about the microscopic states of surface atoms. Recently qualitatively different behaviors were found between strongly adsorbed (chemisorbed) and weakly adsorbed (physisorbed) hydrogen-metal surface systems when the high electric field was applied. In the strongly adsorbed systems of hydrogen on Fe or Ni, H+ ions were detected [2]. On the other hand, in the weakly adsorbed systems of hydrogen on A1 or Cu, dominant desorbed species are metal hydride ions and the proportion of the desorbed H+ is small. Such behavior is puzzling from the usual view points of the chemical reaction, since the weaker bond might be considered harder to dissociate.

Keywords

  • High Electric Field
  • Desorption Rate
  • Airy Function
  • Adiabatic Limit
  • Field Evaporation

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. E.W. Muller, T. T. Tsong: “Field Ion Microscopy, Field Ionization and Field Evaporation”, in “Progress in Surface Science, Vol.4, Part 1”, (Pergamon, Oxford, 1973)

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  2. O. Nishikawa, T. Yoshimura, M. Shibata:(unpublished)

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  3. O. Nishikawa, T. Yoshimura, M. Shibata: Surf. Sci. 124, 440 (1983)

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  4. Z. W. Gortel, H. J. Kreuzer, R. Teshima: Phys. Rev. B22, 5655 (1980)

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  5. R. Gomer, L. W. Swanson: J. Chem. Phys. 38, 1613 (1963)

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© 1985 Springer-Verlag Berlin Heidelberg

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Shima, N., Tsukada, M. (1985). Non-Adiabatic Processes in Field Desorption Phenomena. In: Yoshimori, A., Tsukada, M. (eds) Dynamical Processes and Ordering on Solid Surfaces. Springer Series in Solid-State Sciences, vol 59. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82423-4_6

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  • DOI: https://doi.org/10.1007/978-3-642-82423-4_6

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-82425-8

  • Online ISBN: 978-3-642-82423-4

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