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 journalArticle

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 languageEnglish
Pages (from-to)135-144
Number of pages10
JournalSurface Science
Volume463
Issue number2
DOIs
Publication statusPublished - 2000 Sep 1
Externally publishedYes

Fingerprint

Chlorine
X ray absorption
chlorine
fine structure
Water
Silver
X ray absorption fine structure spectroscopy
water
silver chlorides
x rays
adatoms
silver
Atoms
spectroscopy

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Effect of a water overlayer on the chlorine-chemisorbed Ag(100) surface studied by Cl K-edge X-ray absorption fine structure. / Endo, Osamu; Kondoh, Hiroshi; Yonamoto, Yokishi; Yokoyama, Toshihiko; Ohta, Toshiaki.

In: Surface Science, Vol. 463, No. 2, 01.09.2000, p. 135-144.

Research output: Contribution to journalArticle

Endo, Osamu ; Kondoh, Hiroshi ; Yonamoto, Yokishi ; Yokoyama, Toshihiko ; Ohta, Toshiaki. / Effect of a water overlayer on the chlorine-chemisorbed Ag(100) surface studied by Cl K-edge X-ray absorption fine structure. In: Surface Science. 2000 ; Vol. 463, No. 2. pp. 135-144.
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