TEMPERATURE-DEPENDENCE OF HYPERSENSITIVE TRANSITIONS OF EU-3+ IN DIFFERENT GLASS MATRICES

被引：5
|
作者：
KANDPAL, HC
JOSHI, KC
机构：
[1] Natl Physical Lab, New Delhi, India, Natl Physical Lab, New Delhi, India
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 1988年 / 101卷 / 2-3期
关键词：
EUROPIUM - Electric Properties - GERMANIUM COMPOUNDS - PHOSPHATES - SILICATES;
D O I：
10.1016/0022-3093(88)90159-7
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：
Oscillator strengths of hypersensitive transitions of Eu**3** plus and Eu-O distances have been calculated in different glass compositions. A comparative study of these results with those obtained by Reisfeld shows a dependence of the intensity parameters on the glass compositions. An explanation of the unusual enhancement of the intensity of the hypersensitive transition in tellurite and germanate glass between 100 to 600 K has been given on the basis of feeding of lower states by the upper states.
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页码：243 / 248
页数：6
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