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

页码：3566 / 3569

页数：4

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