Resonance surface X-ray scattering technique to determine the structure of electrodeposited Pt ultrathin layers on Au(111) surface

被引：20
|
作者：
Kondo, Toshihiro [1 ]
Shibata, Masayo [1 ]
Hayashi, Naoko [1 ]
Fukumitsu, Hitoshi [2 ]
Masuda, Takuya [2 ]
Takakusagi, Satoru [2 ]
Uosaki, Kohei [2 ,3 ]
机构：
[1] Ochanomizu Univ Ohtsuka, Grad Sch Humanities & Sci, Div Chem, Bunkyo Ku, Tokyo 1128610, Japan
[2] Hokkaido Univ, Grad Sch Sci, Div Chem, Phys Chem Lab, Sapporo, Hokkaido 0600810, Japan
[3] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton MANA Satellite, Sapporo, Hokkaido 0600810, Japan
来源：
ELECTROCHIMICA ACTA | 2010年 / 55卷 / 27期
关键词：
Au(111) single crystal electrode; Electrochemical deposition of Pt; Resonance surface X ray scattering (RSXS); Surface atomic arrangement; Pseudomorphic layer; SCANNING-TUNNELING-MICROSCOPY; PERCHLORIC-ACID SOLUTION; IN-SITU; UNDERPOTENTIAL DEPOSITION; EPITAXIAL-GROWTH; INITIAL-STAGES; AG; AU(100); ADSORPTION; MONOLAYER;
D O I：
10.1016/j.electacta.2010.05.020
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
It is demonstrated that resonance surface X-ray scattering (RSXS) in which incident X-ray energy close to the Pt L-III absorption edge (11 55 keV) is used is very useful for the determination of the structure of electrodeposited Pt thin layers on a Au(1 1 1) surface This technique was applied to characterize the structure of electrodeposited Pt layers on Au(1 1 1) substrates prepared under two extreme conditions which are known to provide rough and atomically fiat layers Detailed structural information was obtained by RSXS measurements and it was confirmed that the structures of the Pt layers were as reported Pt atoms of the atomically flat monolayer were found to be situated at the threefold hollow cubic closest packing (ccp) sites of the Au(1 1 1)-(1 x 1) surface (C) 2010 Elsevier Ltd All rights reserved
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收藏
页码：8302 / 8306
页数：5
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