COMPARATIVE EXAFS STUDY OF (AG(2)X)(Y)(AS(2)X(3))(1-Y) GLASSES (X=SE OR S)

被引：19
|
作者：
MASTELARO, V
BENAZETH, S
DEXPERT, H
机构：
[1] UNIV PARIS 11,LURE,F-91405 ORSAY,FRANCE
[2] UNIV PARIS SUD,FAC PHARM,CHIM PHYS & BIOORGAN LAB,F-92296 CHATENAY MALABRY,FRANCE
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 1995年 / 185卷 / 03期
关键词：
D O I：
10.1016/0022-3093(94)00684-9
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The local order of ionic (Ag(2)X)(y)(As(2)X(3))(1-y) glasses (X = Se or S) has been studied in a wide composition range using X-ray absorption fine structure spectroscopy. The silver atoms remain in a well defined chalcogenide atom surroundings made of two bonded atoms (R(Ag-Se) approximate to 2.58 Angstrom, R(Ag-S) approximate to 2.46 Angstrom). No significant differences between sulphide and selenide glasses were observed.
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页码：274 / 282
页数：9
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