Rates of desorption from solid surfaces: Coverage dependence

Antonio Redondo, Yehuda Zeiri, William A. Goddard

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


The recently developed Classical Stochastic Diffusion Theory is applied to obtain the coverage dependence of desorption rates for Xe on W(111). Using the attractive Xe-Xe potential from gas phase experiments, we find a strong coverage dependence in the desorption rates and calculate Temperature Programmed Desorption Spectra (for a potential with reduced attractiveness) that are in excellent qualitative agreement with experimental results. We also investigated the effect of purely repulsive adsorbate-adsorbate interactions where we find, for some coverage ranges, that two different adsorption configurations can be stable (at different temperatures) leading to a marked change in the corresponding desorption rates and to distinct non-Arrhenius behavior.

Original languageEnglish
Pages (from-to)41-58
Number of pages18
JournalSurface Science
Issue number1
StatePublished - 1 Jan 1984
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry


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