Effect of a water overlayer on the chlorine-chemisorbed Ag(100) surface studied by Cl K-edge X-ray absorption fine structure

Osamu Endo; Hiroshi Kondoh; Yokishi Yonamoto; Toshihiko Yokoyama; Toshiaki Ohta

doi:10.1016/S0039-6028(00)00640-3

Effect of a water overlayer on the chlorine-chemisorbed Ag(100) surface studied by Cl K-edge X-ray absorption fine structure

Osamu Endo, Hiroshi Kondoh, Yokishi Yonamoto, Toshihiko Yokoyama, Toshiaki Ohta

Research output: Contribution to journal › Article

16 Citations (Scopus)

Abstract

The effect of a water overlayer on the chlorine-chemisorbed silver(100) surface has been studied by Cl K-edge X-ray absorption fine structure spectroscopy. It is found that chlorine atoms adsorbed on Ag(100) form a simple c(2×2) overlayer with a Cl-Ag bond distance of 2.64±0.03 angstroms and Cl-Cl distance of 4.06±0.05 angstroms. By dosing water on the chemisorbed surface, the Cl-Ag bond is elongated to 2.70±0.03 angstroms and the Cl-Cl bond is shortened to 3.90±0.05 angstroms. Such a structural change is explained by the partial formation of silver chloride on the surface.

Original language	English
Pages (from-to)	135-144
Number of pages	10
Journal	Surface Science
Volume	463
Issue number	2
DOIs	https://doi.org/10.1016/S0039-6028(00)00640-3
Publication status	Published - 2000 Sep 1
Externally published	Yes

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ASJC Scopus subject areas

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

Cite this

Endo, O., Kondoh, H., Yonamoto, Y., Yokoyama, T., & Ohta, T. (2000). Effect of a water overlayer on the chlorine-chemisorbed Ag(100) surface studied by Cl K-edge X-ray absorption fine structure. Surface Science, 463(2), 135-144. https://doi.org/10.1016/S0039-6028(00)00640-3

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abstract = "The effect of a water overlayer on the chlorine-chemisorbed silver(100) surface has been studied by Cl K-edge X-ray absorption fine structure spectroscopy. It is found that chlorine atoms adsorbed on Ag(100) form a simple c(2×2) overlayer with a Cl-Ag bond distance of 2.64±0.03 angstroms and Cl-Cl distance of 4.06±0.05 angstroms. By dosing water on the chemisorbed surface, the Cl-Ag bond is elongated to 2.70±0.03 angstroms and the Cl-Cl bond is shortened to 3.90±0.05 angstroms. Such a structural change is explained by the partial formation of silver chloride on the surface.",

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AU - Kondoh, Hiroshi

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AU - Yokoyama, Toshihiko

AU - Ohta, Toshiaki

PY - 2000/9/1

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N2 - The effect of a water overlayer on the chlorine-chemisorbed silver(100) surface has been studied by Cl K-edge X-ray absorption fine structure spectroscopy. It is found that chlorine atoms adsorbed on Ag(100) form a simple c(2×2) overlayer with a Cl-Ag bond distance of 2.64±0.03 angstroms and Cl-Cl distance of 4.06±0.05 angstroms. By dosing water on the chemisorbed surface, the Cl-Ag bond is elongated to 2.70±0.03 angstroms and the Cl-Cl bond is shortened to 3.90±0.05 angstroms. Such a structural change is explained by the partial formation of silver chloride on the surface.

AB - The effect of a water overlayer on the chlorine-chemisorbed silver(100) surface has been studied by Cl K-edge X-ray absorption fine structure spectroscopy. It is found that chlorine atoms adsorbed on Ag(100) form a simple c(2×2) overlayer with a Cl-Ag bond distance of 2.64±0.03 angstroms and Cl-Cl distance of 4.06±0.05 angstroms. By dosing water on the chemisorbed surface, the Cl-Ag bond is elongated to 2.70±0.03 angstroms and the Cl-Cl bond is shortened to 3.90±0.05 angstroms. Such a structural change is explained by the partial formation of silver chloride on the surface.

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10.1016/S0039-6028(00)00640-3