ISOTHERMAL DECAY OF COLOR-CENTERS IN MICROCRYSTALLINE POWDERS OF KBR-KI

被引:13
作者
MOHARIL, SV
WAKDE, DG
DESHMUKH, BT
机构
[1] Department of Physics, Nagpur University
来源
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS | 1979年 / 12卷 / 02期
关键词
D O I
10.1088/0022-3719/12/2/011
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Colour centres in single crystals are stable. The crystals can be stored in the dark for several months without any appreciable loss of colouration. The colouration of the microcrystalline powders, on the other hand, was found to decay very fast. This fast decay has been attributed to the defects inherent in the microcrystallites. The microcrystalline powders of the mixed crystals of KBr:KI could, surprisingly, retain their colouration for several days.
引用
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页码:235 / 238
页数:4
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