STRUCTURAL-ANALYSIS OF QUASI-CRYSTALS AND APPROXIMANTS IN ALCU(RU, FE) SYSTEMS

被引：20
|
作者：
SADOC, A
BERGER, C
CALVAYRAC, Y
机构：
[1] LAB ETUD PROPRIETES ELECTRON SOLIDES,CNRS,F-38042 GRENOBLE,FRANCE
[2] CTR ETUD CHIM MET,CNRS,F-94407 VITRY,FRANCE
来源：
PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES | 1993年 / 68卷 / 04期
关键词：
D O I：
10.1080/13642819308217929
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Using extended X-ray absorption fine-structure experiments performed above the Ru, Cu and Fe K absorption edges, the local order around respectively Cu and Ru, Cu and Fe has been determined in icosahedral Al65Cu20Ru15 and in rhombohedral Al62.8Cu26Fe11.2. Strong resemblances are observed in the environments of Cu and of Ru or Fe atoms in these alloys and in icosahedral Al63Cu24.5Fe12.5. Chemical ordering between Al and Ru or between Al and Fe atoms has been found. Correlations with the electronic structure are made.
引用
收藏
页码：475 / 485
页数：11
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