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

页码：1199 / 1202

页数：4

共 5 条

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ELLIOTT, SR ;

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CUMMINGS, S .

JOURNAL DE PHYSIQUE, 1982, 43 (NC-9) :35-38

[2] A MODEL FOR PHOTOSTRUCTURAL CHANGES IN THE AMORPHOUS AS-S SYSTEM [J].

FRUMAR, M ;

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OWEN, AE .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1983, 59-6 (DEC) :921-924

[3]

GLADDEN LF, UNPUB

[4] CONFIGURATIONS OF A CHEMICALLY ORDERED CONTINUOUS RANDOM NETWORK TO DESCRIBE THE STRUCTURE OF GESE2 GLASS [J].

NEMANICH, RJ ;

GALEENER, FL ;

MIKKELSEN, JC ;

CONNELL, GAN ;

ETHERINGTON, G ;

WRIGHT, AC ;

SINCLAIR, RN .

PHYSICA B & C, 1983, 117 (MAR) :959-961

[5]

Sayers D. E., 1974, 5th International Conference on amorphous and liquid semiconductors, Vol.I, P403

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