Co dimers observed by extended x-ray absorption fine structure spectroscopy

被引：14
|
作者：
Faraci, G
Pennisi, AR
Balerna, A
Pattyn, H
Koops, GEJ
Zhang, GL
机构：
[1] Catania Univ, Ist Nazl Fis Mat, Dipartimento Fis, I-95129 Catania, Italy
[2] Ist Nazl Fis Nucl, Nazl Frascati Lab, I-00044 Frascati, Italy
[3] KU Leuven, Inst Kern & Stralingsfys, Dept Phys, B-3001 Louvain, Belgium
[4] Chinese Acad Sci, Shanghai Inst Nucl Res, Shanghai 201800, Peoples R China
来源：
PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 16期
关键词：
D O I：
10.1103/PhysRevLett.86.3566
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Cobalt was introduced into a silver matrix by ion implantation and observed by extended x-ray absorption fine structure (EXAFS) spectroscopy. In the range 0.10-0.70 at. % evidence of Co dimers dispersed in the matrix was found. The dimers are somewhat contracted with respect to the bulk Co nearest neighbor distance and distributed in a chainlike configuration with each dimer at 90 degrees from each other along opposite square faces of the Ag fcc lattice.
引用
收藏
页码：3566 / 3569
页数：4
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