Xe monolayer adsorption on Ag(111) I. Structural properties

P. I. Cohen; J. Unguris; M. B. Webb

doi:10.1016/0039-6028(76)90480-5

Xe monolayer adsorption on Ag(111) I. Structural properties

P. I. Cohen, J. Unguris, M. B. Webb

Electrical and Computer Engineering

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Abstract

The monolayer of adsorbed xenon on the ({A figure is presented}1) surface of silver was studied using low- energy electron diffraction. The structure is an hexagonal lattice aligned with but out of registry with the substrate. The Xe-Xe spacing at 25 K is 4.44 ± 0.01 Å in the full monolayer and 4.47 ± at less than full coverage. The Xe-Ag spacing is 3.5 ± 0.1 Å. Here 〈u_⊥〉² T, the meansquare vibrational amplitude normal to the surface divided by the temperature is (1.83 ± 0.4 × 10^-4 A²/K. The heat of adsorption is 0.28 ± 0.03 eV/atom.

Original language	English (US)
Pages (from-to)	429-456
Number of pages	28
Journal	Surface Science
Volume	58
Issue number	2
DOIs	https://doi.org/10.1016/0039-6028(76)90480-5
State	Published - 1976

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title = "Xe monolayer adsorption on Ag(111) I. Structural properties",

abstract = "The monolayer of adsorbed xenon on the ({A figure is presented}1) surface of silver was studied using low- energy electron diffraction. The structure is an hexagonal lattice aligned with but out of registry with the substrate. The Xe-Xe spacing at 25 K is 4.44 ± 0.01 {\AA} in the full monolayer and 4.47 ± at less than full coverage. The Xe-Ag spacing is 3.5 ± 0.1 {\AA}. Here 〈u⊥〉2 T, the meansquare vibrational amplitude normal to the surface divided by the temperature is (1.83 ± 0.4 × 10-4 A2/K. The heat of adsorption is 0.28 ± 0.03 eV/atom.",

author = "Cohen, {P. I.} and J. Unguris and Webb, {M. B.}",

year = "1976",

doi = "10.1016/0039-6028(76)90480-5",

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pages = "429--456",

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T1 - Xe monolayer adsorption on Ag(111) I. Structural properties

AU - Cohen, P. I.

AU - Unguris, J.

AU - Webb, M. B.

PY - 1976

Y1 - 1976

N2 - The monolayer of adsorbed xenon on the ({A figure is presented}1) surface of silver was studied using low- energy electron diffraction. The structure is an hexagonal lattice aligned with but out of registry with the substrate. The Xe-Xe spacing at 25 K is 4.44 ± 0.01 Å in the full monolayer and 4.47 ± at less than full coverage. The Xe-Ag spacing is 3.5 ± 0.1 Å. Here 〈u⊥〉2 T, the meansquare vibrational amplitude normal to the surface divided by the temperature is (1.83 ± 0.4 × 10-4 A2/K. The heat of adsorption is 0.28 ± 0.03 eV/atom.

AB - The monolayer of adsorbed xenon on the ({A figure is presented}1) surface of silver was studied using low- energy electron diffraction. The structure is an hexagonal lattice aligned with but out of registry with the substrate. The Xe-Xe spacing at 25 K is 4.44 ± 0.01 Å in the full monolayer and 4.47 ± at less than full coverage. The Xe-Ag spacing is 3.5 ± 0.1 Å. Here 〈u⊥〉2 T, the meansquare vibrational amplitude normal to the surface divided by the temperature is (1.83 ± 0.4 × 10-4 A2/K. The heat of adsorption is 0.28 ± 0.03 eV/atom.

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DO - 10.1016/0039-6028(76)90480-5

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JF - Surface Science

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