THE OBSERVATION OF A NEW D-ABSORPTION BAND IN KBR-IN CRYSTALS

被引：3
|
作者：
PLAVINA, I
POPOV, AI
机构：
[1] Institute of Physics, Latvian Academy of Sciences, Salaspils
来源：
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1993年 / 176卷 / 01期
关键词：
D O I：
10.1002/pssb.2221760125
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Excitation spectra of the activator luminescence directly excited by UV light and creation spectra of the photostimulated luminescence are investigated for KBr-In crystals with different In+ concentrations. It is shown that the electronic states responsible for these two kinds of luminescence differ. Careful analysis of the excitation spectra allow us to find a new D-absorption band having Gaussian shape with the following parameters: peak position at E0 = 6.375 eV and halfwidth DELTAE = 0.14 eV. The oscillator strength f = 0.12 of the D-band is also determined.
引用
收藏
页码：255 / 259
页数：5
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