Investigations on luminescence of rare earths doped CaTiO3:Pr3+ phosphor

被引：0
|
作者：
N. Suriyamurthy [1 ]
B.S. Panigrahi [2 ]
机构：
[1] Radiological Safety Division  2. Technical Services Division, Indira Gandhi Centre for Atomic Research, Kalpakkam-603 102, India
来源：
Journal of Rare Earths | 2010年 / 28卷 / 04期
关键词：
perovskites; calcium titanates; red afterglow; rare earths;
D O I：
暂无
中图分类号：
TN104.3 [显示材料];
学科分类号：
摘要：
Calcium titanate doped with praseodymium was prepared through solid state reaction and it exhibited intense red emission at 612 nm. Phosphors were characterized for photoluminescence, thermo-luminescence and afterglow emissions. Study of effects of rare earths on photoluminescence as well as afterglow intensity was reported. Presence of gadolinium enhanced luminescence. Presence of some monovalent ions enhanced both afterglow and photoluminescence emission. Thermo-luminescence glow curves were analyzed and trap parameters were estimated. Temperature dependence of luminescence was also investigated.
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页码：488 / 492
页数：5
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