Changes in the Short-Range Order of Chalcogenide Glasses upon Crystallization

被引：0
|
作者：
S. A. Kozyukhin
T. A. Kupriyanova
O. I. Lyamina
S. A. Dembovsky
机构：
[1] Russian Academy of Sciences,Kurnakov Institute of General and Inorganic Chemistry
来源：
Inorganic Materials | 2004年 / 40卷
关键词：
Crystallization; Inorganic Chemistry; As2S3; Early Report; Coordination Number;
D O I：
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中图分类号：
学科分类号：
摘要：
The crystallization of the chalcogenide glass formers Se, As2Se3 , and As2S3 is studied by x-ray fluorescence analysis (measurements of the relative integrated intensity of the last x-ray emission line). The results demonstrate that the integral parameter R describing the short-range order is larger in the glasses compared to the corresponding crystals. This finding correlates with earlier reports that glass crystallization is accompanied by a decrease in coordination number and also with the assumption that chalcogenide glasses contain hypervalent configurations.
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页码：666 / 668
页数：2
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