Peculiarities of luminescence and scintillation properties of YAP: Ce and LuAP:Ce single crystals and single crystalline films

被引：53
|
作者：
Zorenko, Y. [1 ]
Gorbenko, V.
Konstankevych, I.
Voznjak, T.
Savchyn, V.
Nikl, M.
Mares, J. A.
Nejezchleb, K.
Mikhailin, V.
Kolobanov, V.
Spassky, D.
机构：
[1] Ivan Franko Natl Univ Lviv, Dept Elect, LOM, UA-79017 Lvov, Ukraine
[2] Acad Sci Czech Republ, Inst Phys, Prague 16253, Czech Republic
[3] Crytur Ltd, Turnov 51119, Czech Republic
[4] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119899, Russia
来源：
RADIATION MEASUREMENTS | 2007年 / 42卷 / 4-5期
关键词：
perovskites; single crystal and single crystalline films; Ce3+ ions; scintillators; luminescence;
D O I：
10.1016/j.radmeas.2007.01.046
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：
Luminescent properties and the energy transfer from host to Ce3+ ions are analyzed in single crystalline films (SCF) of YAlO3:Ce (YAP:Ce), Y(1-x)Lu(x)AP:Ce (YLuAP:Ce) and LuAlO3:Ce (LuAP:Ce) perovskites in comparison with their single crystal (SC) analogues using the time-resolved luminescence spectroscopy under synchrotron radiation excitation. It is shown that the main peculiarity of luminescent properties of YAP:Ce, YLuAP:Ce and LuAG:Ce SCF is determined by the extremely low concentration Of Y-Al and Lu-Al antisite defects and vacancy-type defects in SCF as compared to SC. The advantages of phosphors based on (Y-Lu)AP:Ce SCF are due to the absence of emission and trapping centers in these SCF which are connected with the above mentioned bulk crystal defects. (C) 2007 Published by Elsevier Ltd.
引用
收藏
页码：528 / 532
页数：5
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