EXAFS AND NEUTRON-SCATTERING STUDIES OF REVERSIBLE PHOTOSTRUCTURAL CHANGES IN BULK GERMANIUM CHALCOGENIDE GLASSES

被引：8
|
作者：
GLADDEN, LF
ELLIOTT, SR
GREAVES, GN
CUMMINGS, S
RAYMENT, T
机构：
[1] SERC,DARESBURY LAB,WA4 4AD WARRINGTON,CHESHIRE,ENGLAND
[2] UNIV BRISTOL,HH WILLS PHYS LAB,BRISTOL BS8 1TL,AVON,ENGLAND
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 1985年 / 77-8卷
关键词：
SEMICONDUCTING GLASS - Optical Properties - SEMICONDUCTING SELENIUM COMPOUNDS - Amorphous;
D O I：
10.1016/0022-3093(85)90873-7
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：
EXAFS and neutron scattering studies of bulk GeS//2 and GeSe//2 glasses provide evidence that the reversible photostructural change in these materials is associated with changes in the first and second coordination spheres of both the germanium and chalcogen atoms. The germanium is seen to over-coordinate while the chalcogen under-coordinates, with respect to the annealed glassy state, upon illumination.
引用
收藏
页码：1199 / 1202
页数：4
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