A structural study of disordered sulfur overlayers on Cu(111)

被引:15
|
作者
Rousseau, GBD
Mulligan, A
Bovet, N
Adams, M
Dhanak, V
Kadodwala, M
机构
[1] Univ Glasgow, Dept Chem, Glasgow G12 8QQ, Lanark, Scotland
[2] CLRC, Daresbury Lab, Warrington WA4 4AD, Cheshire, England
关键词
oxygen; copper; NIXSW; single crystal surfaces;
D O I
10.1016/j.susc.2005.12.012
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The structure of disordered chemisorbed sulfur overlayers on Cu(111) have been investigated using normal incidence X-ray standing, wavefield absorption (NIXSW). The NIXSW data indicates that within the coverage range studied, 0.13 < 0 < 0.30 ML, all the disordered layers contain the same structural sub-units. The NIXSW data are consistent with a previously proposed model, which suggests that at room temperature the disordered layers contain both sulfur adatoms and mobile CU3S3 clusters. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:897 / 903
页数:7
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