The influence of activation of Y2O3 polycrystalline matrices by Bi3+ ions on the luminescence of Y2O3:Eu3+

被引：7
|
作者：
Strel'tsov, A. V. [1 ]
Dmitrienko, V. P. [2 ]
Akmaeva, T. A. [2 ]
Kudryavtsev, S. V. [2 ]
Dmitrienko, A. O. [2 ]
Razumov, K. A. [1 ]
机构：
[1] Russian Acad Sci, Saratov Branch, Inst Radio Engn & Elect, Saratov, Russia
[2] Saratov NG Chernyshevskii State Univ, Saratov, Russia
来源：
INORGANIC MATERIALS | 2009年 / 45卷 / 08期
关键词：
Yttrium Oxide; Excitation Energy Transfer; Strel; Dominant Activator; Cathode Luminescence;
D O I：
10.1134/S0020168509080123
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of activation of the Y2O3 matrix of the Y2O3:Eu3+ phosphor by Bi3+ ions on the luminescence of Eu3+ and Bi3+ ions in it and on conditions of the excitation energy transfer to luminescence centers is studied. It is shown that the presence of Bi3+ ions leads to the appearance of recombination luminescence with participation of bismuth ions at low concentrations (up to 6-8 at %) of the dominant activator europium and to an increase in the threshold of intrinsic concentration quenching of its luminescence.
引用
收藏
页码：889 / 893
页数：5
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