FTIR and Raman spectroscopic studies of copper doped 2GeO2•PbO•Ag2O glasses

被引：0
|
作者：
Lucacel, R. Ciceo [1 ]
Marcus, C. [1 ]
Ardelean, I. [1 ]
机构：
[1] Univ Babes Bolyai, Fac Phys, Cluj Napoca 400084, Romania
来源：
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2007年 / 9卷 / 03期
关键词：
germanate-lead-silver glasses; copper ions; FTIR; Raman;
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 from the xCuO(.)(1-x)[2GeO(2)(.)PbO(.)0.2Ag(2)O] glass system (0 <= x: <= 0.05) were prepared and studied by means of FTIR absorption and Raman scattering. Both techniques revealed that germanium is disposed in the samples structure as GeO4 tetrahedral units. Moreover, from the Raman data has also detected the presence of the GeO6 octahedra units in the glasses structure. With the CuO addition in the samples take place a change in the germanium atom coordination from four-fold to six-fold. The short range order of the network was found to be affected by the copper ions additions.
引用
收藏
页码：747 / 750
页数：4
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