Properties and microstructure of GeS2-Ga2S3-CdS glasses

被引:0
|
作者
Gu, SX [1 ]
Hu, HP
Tao, HZ
Zhao, XJ
机构
[1] Wuhan Univ Technol, Key Lab Silicate Mat Sci & Engn, Minist Educ, Wuhan 430070, Peoples R China
[2] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China
来源
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2005年 / 20卷 / 04期
关键词
chalcogenide glasses; microstructure; property;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The samples of the GeS2-Ga2S3-CdS pseudo-ternary glassy system were prepared by conventional melt-quenching techniques. The microstructure of the GeS2-Ga2S3-CdS glasses was analyzed thoroughly using Raman spectra and the relationships among the composition, microstructure and properties (such as thermal properties, densities, optical properties) were probed. The experimental results indicate that the GeS2 acts as the network former, the Ga2S3 as the net intermediate, and the Cds as the net modifier. The GeS2 and Ga2S3 exist in the form of [GeS4/2], [GaS4/2] tetrahedra or S3Ge(Ga)-(Ga)GeS3 ethane-like units within the glassy network, and the addition of CdS mainly breaks the Ge(Ga)-(Ga)Ge bonds among the ethane-like units, leading to the formation of [GeS4/2], [GaS4/2] tetrahedra. The T-g and T-x have tight relations on the congregated degree of glassy network, however, lambda(vis), n and d are hardly involved into the connectional dependence of the space arrangement.
引用
收藏
页码:120 / 122
页数:3
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