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

doi:10.1039/DC9858000047

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

Applied Research Laboratory (ARL)

Research output: Contribution to journal › Article › peer-review

21 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 language	English (US)
Pages (from-to)	47-56
Number of pages	10
Journal	Faraday Discussions of the Chemical Society
Volume	80
DOIs	https://doi.org/10.1039/DC9858000047
State	Published - Jan 1 1985

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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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.",

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Very low-energy scattering of helium atoms from crystal surfaces : A quantitative comparison between experiment and theory. / Danielson, Laurie; Suarez, Jesus Carlos Ruiz; Schwartz, Carey; Scoles, Giancinto; Hutson, Jeremy M.

In: Faraday Discussions of the Chemical Society, Vol. 80, 01.01.1985, p. 47-56.

Research output: Contribution to journal › Article › peer-review

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AU - Danielson, Laurie

AU - Suarez, Jesus Carlos Ruiz

AU - Schwartz, Carey

AU - Scoles, Giancinto

AU - Hutson, Jeremy M.

PY - 1985/1/1

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N2 - 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.

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

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