Asymptotic interaction between He, H, H2 and a graphite surface

G. Vidali; Milton W. Cole; C. Schwartz

doi:10.1016/0039-6028(79)90190-0

Asymptotic interaction between He, H, H₂ and a graphite surface

G. Vidali, Milton W. Cole, C. Schwartz

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Abstract

An atom or molecule far from a surface experiences an interaction V ~ -C₃z^-3, where z is the distance to the surface. We compute the coefficient C₃ for He, H, and H₂ interacting with a graphite surface. The calculation utilizes measured frequency dependent values of the polarizabilities and dielectric function. Comparison is made with C₃ values deduced from surface scattering and adsorption experiments.

Original language	English (US)
Pages (from-to)	L273-L277
Journal	Surface Science
Volume	87
Issue number	1
DOIs	https://doi.org/10.1016/0039-6028(79)90190-0
State	Published - Aug 1 1979

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(79)90190-0

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title = "Asymptotic interaction between He, H, H2 and a graphite surface",

abstract = "An atom or molecule far from a surface experiences an interaction V \textasciitilde{} -C3z-3, where z is the distance to the surface. We compute the coefficient C3 for He, H, and H2 interacting with a graphite surface. The calculation utilizes measured frequency dependent values of the polarizabilities and dielectric function. Comparison is made with C3 values deduced from surface scattering and adsorption experiments.",

author = "G. Vidali and Cole, \{Milton W.\} and C. Schwartz",

note = "Funding Information: * Research supported in part by National Science Foundation by a Pennsylvania State University Research Initiation Grant. ** American Vacuum Society Scholar.",

year = "1979",

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T1 - Asymptotic interaction between He, H, H2 and a graphite surface

AU - Vidali, G.

AU - Cole, Milton W.

AU - Schwartz, C.

N1 - Funding Information: * Research supported in part by National Science Foundation by a Pennsylvania State University Research Initiation Grant. ** American Vacuum Society Scholar.

PY - 1979/8/1

Y1 - 1979/8/1

N2 - An atom or molecule far from a surface experiences an interaction V ~ -C3z-3, where z is the distance to the surface. We compute the coefficient C3 for He, H, and H2 interacting with a graphite surface. The calculation utilizes measured frequency dependent values of the polarizabilities and dielectric function. Comparison is made with C3 values deduced from surface scattering and adsorption experiments.

AB - An atom or molecule far from a surface experiences an interaction V ~ -C3z-3, where z is the distance to the surface. We compute the coefficient C3 for He, H, and H2 interacting with a graphite surface. The calculation utilizes measured frequency dependent values of the polarizabilities and dielectric function. Comparison is made with C3 values deduced from surface scattering and adsorption experiments.

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U2 - 10.1016/0039-6028(79)90190-0

DO - 10.1016/0039-6028(79)90190-0

M3 - Article

AN - SCOPUS:49249140963

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VL - 87

SP - L273-L277

JO - Surface Science

JF - Surface Science

IS - 1

ER -

Asymptotic interaction between He, H, H₂ and a graphite surface

Abstract

All Science Journal Classification (ASJC) codes

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