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 | |
| Publication status | Published - 2000 Sep 1 |
| Externally published | Yes |
ASJC Scopus subject areas
- Condensed Matter Physics
- Surfaces and Interfaces
- Surfaces, Coatings and Films
- Materials Chemistry
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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