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.
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References
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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
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