REVERSIBLE PHOTOCHROMIC EFFECTS IN DOPED SINGLE-CRYSTALS OF BISMUTH GERMANIUM (BI12GEO20) AND BISMUTH SILICON-OXIDE (BI12SIO20)

被引:65
作者
WARDZYNSKI, W [1 ]
LUKASIEWICZ, T [1 ]
ZMIJA, J [1 ]
机构
[1] MIL MED ACAD,PL-90647 LODZ,POLAND
关键词
D O I
10.1016/0030-4018(79)90077-4
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Absorption of Bi12GeO20 and Bi12SiO20 single crystals doped with Mn and Cr were investigated before and after illumination with visible light. Pronounced photochromic effects were found. The effects are explained in terms of light induced charge transfer Mn4+→Mn5+ and Cr3+→Cr2+. © 1979.
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页码:203 / 205
页数:3
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