Kinetic theory description of electron stimulated desorption

Richard Janow, Narkis Tzoar

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

A first principles kinetic theory is developed, applicable to angular dependent emission in Electron Stimulated Desorption. Expressions for the ionic and neutral atom ESD cross sections are formulated and applied in a model calculation of O+ emission from W(111). Strong focussing of the outgoing ions was found, with the use of a model ion-solid potential in which the substrate was free of excitation. Off-axis spot groups were simulated. The peak ion energies obtained with this model are, however, small compared to experimental energies for the high coverage case. The need to introduce substrate excitations to describe this case is discussed.

Original languageEnglish (US)
Pages (from-to)253-272
Number of pages20
JournalSurface Science
Volume69
Issue number1
DOIs
StatePublished - Dec 1 1977
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

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