Interaction between a He atom and a graphite surface

William E. Carlos, Milton W. Cole

Research output: Contribution to journalArticle

243 Scopus citations

Abstract

A study is presented of the interaction V(r) between a He atom and a graphite surface. V(r) is assumed equal to a sum of pair interactions U(r - Ri) between the He and C atoms. None of a set of isotropic potentials (dependent only on the magnitude |r - Ri|) is consistent with recent scattering data. Anisotropie pair potentials, in contrast, are found to yield good agreement. The origin of this anisotropy is analyzed in terms of the graphite dielectric function and charge density.

Original languageEnglish (US)
Pages (from-to)339-357
Number of pages19
JournalSurface Science
Volume91
Issue number1
DOIs
StatePublished - Jan 1 1980

All Science Journal Classification (ASJC) codes

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

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