The interaction between an atom and a surface at large separation

G. Vidali; M. W. Cole

doi:10.1016/0039-6028(81)90584-7

The interaction between an atom and a surface at large separation

G. Vidali, M. W. Cole

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Abstract

A simple expression is generated for the coefficient C₃ of the asymptotic dispersion interaction ~z^-3 between an atom and a surface. The basis of the derivation is the assumption of simple forms for the frequency dependence of the polarizability of the atom and the dielectric function of the solid. The expression yields the known value of C₃ within a few percent for all cases for which it has been calculated previously. We use it to generate C₃ values for a large number of systems not previously treated.

Original language	English (US)
Pages (from-to)	10-18
Number of pages	9
Journal	Surface Science
Volume	110
Issue number	1
DOIs	https://doi.org/10.1016/0039-6028(81)90584-7
State	Published - Sep 2 1981

All Science Journal Classification (ASJC) codes

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

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10.1016/0039-6028(81)90584-7

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title = "The interaction between an atom and a surface at large separation",

abstract = "A simple expression is generated for the coefficient C3 of the asymptotic dispersion interaction ~z-3 between an atom and a surface. The basis of the derivation is the assumption of simple forms for the frequency dependence of the polarizability of the atom and the dielectric function of the solid. The expression yields the known value of C3 within a few percent for all cases for which it has been calculated previously. We use it to generate C3 values for a large number of systems not previously treated.",

author = "G. Vidali and Cole, {M. W.}",

note = "Funding Information: * Research supported m part by Department of Energy Contract DE-AC02-79ER10454 and NSF grant 77-22961.",

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AU - Cole, M. W.

N1 - Funding Information: * Research supported m part by Department of Energy Contract DE-AC02-79ER10454 and NSF grant 77-22961.

PY - 1981/9/2

Y1 - 1981/9/2

N2 - A simple expression is generated for the coefficient C3 of the asymptotic dispersion interaction ~z-3 between an atom and a surface. The basis of the derivation is the assumption of simple forms for the frequency dependence of the polarizability of the atom and the dielectric function of the solid. The expression yields the known value of C3 within a few percent for all cases for which it has been calculated previously. We use it to generate C3 values for a large number of systems not previously treated.

AB - A simple expression is generated for the coefficient C3 of the asymptotic dispersion interaction ~z-3 between an atom and a surface. The basis of the derivation is the assumption of simple forms for the frequency dependence of the polarizability of the atom and the dielectric function of the solid. The expression yields the known value of C3 within a few percent for all cases for which it has been calculated previously. We use it to generate C3 values for a large number of systems not previously treated.

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JO - Surface Science

JF - Surface Science

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The interaction between an atom and a surface at large separation

Abstract

All Science Journal Classification (ASJC) codes

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