Optical properties of F and F+ type centers in barium beta-alumlna

被引：4
|
作者：
Gourier, D
Viana, B
Bellenoue, P
Thery, J
Vivien, D
机构：
[1] Laboratoire de Chimie Appliquee de l'Etat Solide, URA-CNRS
来源：
RADIATION EFFECTS AND DEFECTS IN SOLIDS | 1995年 / 134卷 / 1-4期
关键词：
beta-alumina; F and F+ centers; electron spin resonance; optical properties;
D O I：
10.1080/10420159508227263
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
X-ray induced F and F+ type centers in the conduction planes of Ba2+ beta-alumina are characterized by optical absorption, Electron spin resonance (ESR) and time resolved fluorescence spectroscopies. These two centers exhibit similar optical absorption properties, although F centers are optically bleached by UV irradiation while F+ centers are relatively stable under the same conditions. The latter are characterized by a strong fluorescence at 425 nm.
引用
收藏
页码：431 / 435
页数：5
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