Stability of underpotentially deposited Ag layers on a Au(111) surface studied by surface X-ray scattering
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概要
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Stability of underpotentially deposited (upd) Ag layers on Au(111) surface was investigated by surface X-ray scattering (SXS). While the complete pseudomorphic Ag bilayer on Au(111) surface obtained by upd at 10 mV (vs. Ag/Ag+) was maintained its structure even after the circuit was disconnected and the surface was exposed to ambient atmosphere, the pseudomorphic Ag monolayer obtained by upd at 50 mV was converted to a partial bilayer with the coverage of 0.66 ML and 0.46 ML for the 1st and 2nd layer, respectively. These results show that Ag bilayer is structurally more stable than Ag monolayer on Au(111) and Ag atoms of the upd monolayer move around on the Au(111) surface without potential control.
- Elsevier B.V.の論文
著者
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UOSAKI Kohei
Division of Chemistry, Graduate School of Science, Hokkaido University
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Uosaki Kohei
Division Of Chemistry Graduate School Of Science Hokkaido University
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Kondo Toshihiro
Physical Chemistry Laboratory Division Of Chemistry Graduate School Of Science Hokkaido University
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Kondo Toshihiro
Div. Of Sci. Graduate School Of Humanities And Sciences Ochanomizu Univ. Ohtsuka Bunkyo-ku Tokyo 112
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Kondo Toshihiro
Physical Chemistry Laboratory Department Of Chemistry Faculty Of Science Hokkaido University
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Uosaki Kohei
Department Of Chemistry Faculty Of Science Hokkaido University
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