Calculation of Physisorption Potentials in the Electron Gas Approximation

G. Ihm, Milton W. Cole

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


The laterally averaged physisorption potentials of He and Ne on noble metal, graphite, and MgO surfaces are calculated with a modified Gordon-Kim (G-K) method. Each of the energy terms in the electron gas formula is slightly modified to include the inhomogeneity effects of the system. Overall, our results show this to be a simple way of predicting potentials that are reasonably consistent with experiments. The orientationally anisotropic H2/metal physisorption potential is also investigated and compared with experiments.

Original languageEnglish (US)
Pages (from-to)550-557
Number of pages8
Issue number3
StatePublished - May 1 1989

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry


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