Many-body interactions in physisorption: Nonadditivity of film and substrate contributions to the holding potential

James R. Klein, L. W. Bruch, Milton W. Cole

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Calculations are presented of non-pair-additive contributions to the interaction energy of a probe atom with a physisorbed monolayer film and substrate. The Axilrod-Teller-Muto triple dipole energy is summed for triplets composed of probe atom, monolayer atom, and substrate atom. The lateral average, over probe atom positions, of the sum vanishes. A similar result and a nonvanishing term from a higher many-body interaction are derived also from the McLachlan theory of the dispersion interaction of two atoms in the presence of a continuum substrate.

Original languageEnglish (US)
Pages (from-to)555-564
Number of pages10
JournalSurface Science
Volume173
Issue number2-3
DOIs
StatePublished - Aug 2 1986

All Science Journal Classification (ASJC) codes

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

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