LUMINESCENCE OF EU-2+ IN ALKALINE-EARTH CHLOROAPATITES

被引：4
|
作者：
JAGANNATHAN, R
RAO, RP
NARAYANAN, RL
SRINIVASAN, LK
机构：
[1] Central Electrochemical Research Institute, Karaikudi
来源：
SOLID STATE COMMUNICATIONS | 1990年 / 74卷 / 08期
关键词：
D O I：
10.1016/0038-1098(90)90943-6
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Alkaline earth (Ca, Sr, Ba) chloroapatites doped with Eu2+ yield intense narrow band emission in the blue to bluish green region. In this system of phosphors, emission from both the in-equivalent sites are observed. A rough estimate of critical distance for energy transfer in the case of Eu2+ emission indicates that this process can cover much longer distances (25 Å). Results based on emission, excitation spectra and thermal quenching of Eu2+ emission are discussed. © 1990.
引用
收藏
页码：825 / 828
页数：4
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