Luminescence centers in CaS:Er3+

被引：0
|
作者：
Georgobiani, A. N.
Gruzintsev, A. N.
Nikiforova, T. V.
机构：
[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
[2] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia
来源：
INORGANIC MATERIALS | 2006年 / 42卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S0020168506070181
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The diffuse reflectance, photoexcitation, and luminescence spectra and luminescence decay time of CaS:Er3+ have been measured at 77 and 300 K and different activator contents. The absorption and luminescence bands due to Er3+ centers and native defects have been revealed, and the radiative electronic transitions between excited and ground Er3+ states have been identified. The characteristic decay times of the Er3+2H11/2 and F-4(9/2) states in CaS have been determined, and radiative energy transfer from excited states of native defects to erbium ions in CaS:Er3+ has been revealed.
引用
收藏
页码：794 / 798
页数：5
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