Optical absorption edge and structural disorder in electron-irradiated As2S3 chalcogenide glasses

被引：0
|
作者：
Shpak, II
Studenyak, IP
Kranjcec, M
机构：
[1] Univ Zagreb, Geotech Dept Varazdin, Varazhdin 42000, Croatia
[2] Uzhgorod Natl Univ, UA-88000 Uzhgorod, Ukraine
[3] Rudjer Boskovic Inst, Zagreb 10000, Croatia
来源：
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2003年 / 5卷 / 05期
关键词：
electron irradiation; absorption edge; structural disorder; chalcogenide glasses;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Temperature behaviour of optical absorption edge in non-irradiated and electron-irradiated As2S3 chalcogenide glasses is studied. The parallel shift of the absorption edge, revealed in the temperature range 77less than or equal toTless than or equal to250 K, is explained by the temperature variation of dynamical structural disordering due to the absence of the intermediate-range order of atoms. The effect of the irradiation dose on the temperature dependences of the Urbach edge parameters is analyzed.
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页码：1135 / 1138
页数：4
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