Very low-energy scattering of helium atoms from crystal surfaces: A quantitative comparison between experiment and theory

Laurie Danielson, Jesus Carlos Ruiz Suarez, Carey Schwartz, Giancinto Scoles, Jeremy M. Hutson

    Research output: Contribution to journalArticlepeer-review

    23 Scopus citations

    Abstract

    Very low-energy scattering experiments are described for He atoms colliding with an LiF(001) surface. The apparatus is capable of performing experiments for beam energies down to 4 meV. The He-LiF results are compared with close-coupling calculations on the interaction potential of Celli et al. (J. Chem. Phys., 1985, 83, 2504). Very good agreement between experiment and theory is found, but there are small discrepancies which should allow the potential to be refined.

    Original languageEnglish (US)
    Pages (from-to)47-56
    Number of pages10
    JournalFaraday Discussions of the Chemical Society
    Volume80
    DOIs
    StatePublished - 1985

    All Science Journal Classification (ASJC) codes

    • General Physics and Astronomy
    • Physical and Theoretical Chemistry

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