Ce3+-doped crystalline garnet films - scintillation characterization using α-particle excitation

被引：7
|
作者：
Mares, Jiri A. [1 ]
Prusa, Petr [1 ,3 ]
Nikl, Martin [1 ]
Nitsch, Karel [1 ]
Beitlerova, Alena [1 ]
Kucera, Miroslav [2 ]
Hanus, Martin [2 ]
Zorenko, Yurij [4 ]
机构：
[1] Acad Sci Czech Republ, Inst Phys, Prague 16253 6, Czech Republic
[2] Charles Univ Prague, Fac Math & Phys, CR-12116 Prague 2, Czech Republic
[3] Czech Tech Univ, Fac Nucl Sci & Phys Engn, CR-11519 Prague 1, Czech Republic
[4] Ivan Franko Natl Univ Lviv, Dept Elect, Lab Optoelect Mat, Lvov, Ukraine
来源：
RADIATION MEASUREMENTS | 2010年 / 45卷 / 3-6期
关键词：
Ce3+-doped garnet films; Scintillation; alpha-particle excitation; CE; YAG; LUMINESCENCE; LUAG;
D O I：
10.1016/j.radmeas.2009.12.026
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：
Scintillating properties of Ce3+-doped (Lu,Y) aluminum garnet single crystalline films (SCF) were investigated. Thin SCF films of thickness between 1 and 30 gm were grown by a liquid phase epitaxy (LPE) method in various fluxes. The alpha-particle excitation (mainly 5.4857 MeV line of Am-241) of pulse height spectra is used to measure scintillation response of SCF, especially peak of those alpha-rays which are totally absorbed in the films. Detailed studies and evaluation of scintillation measurements of large sets of Ce3+-doped SCF (Lu,Y) aluminum garnets showed that at present time (i) YAG:Ce SCF have comparable scintillation properties as YAG:Ce single crystals, especially their N-phels photoelectron yields are the same while (ii) scintillation properties of LuAG:Ce SCF do not reach those of LuAG:Ce single crystal. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：369 / 371
页数：3
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