Luminescence and scintillation response of YGd2Al2Ga3O12:Ce and LuGd2Al2Ga3O12:Ce scintillators

被引：7
作者：
Chewpraditkul, Warut [1 ]
Pattanaboonmee, Nakarin [1 ]
Chewpraditkul, Weerapong [1 ]
Kamada, Kei [2 ,3 ]
Yoshikawa, Akira [2 ,3 ]
Nikl, Martin [4 ]
机构：
[1] King Mongkuts Univ Technol Thonburi, Dept Phys, Bangkok 10140, Thailand
[2] Tohoku Univ, IMRAM, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan
[3] Tohoku Univ, NICHe, Aoba Ku, 6-6-10 Aoba, Sendai, Miyagi 9808579, Japan
[4] AS CR, Inst Phys, Cukrovarnicka 10, Prague 16253, Czech Republic
来源：
RADIATION MEASUREMENTS | 2016年 / 90卷
基金：
欧盟地平线“2020”;
关键词：
YGd2Al2Ga3O12:Ce; LuGd2Al2Ga3O12:Ce; Light yield; Luminescence; Scintillation; CRYSTAL-GROWTH; CE3+; YAGCE; PR3+; LUAG; (LU;
D O I：
10.1016/j.radmeas.2015.12.036
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：
The luminescence and scintillation properties of YGd2Al2Ga3O12:Ce and LuGd2Al2Ga3O12:Ce single crystal scintillators were compared. The light yield (LY) and energy resolution were measured using R6231 photomultiplier. At 662 keV gamma-rays, high LY value of 37,900 ph/MeV and energy resolution of 7.0% obtained for YGd2Al2Ga3O12:Ce are slightly better than the values of 35,400 ph/MeV and 7.6% obtained for YGd2Al2Ga3O12:Ce. The ratio of LY values under excitation with alpha- and gamma-rays (alpha/gamma ratio) was also determined. The LY dependence on amplifier shaping time was measured in order to investigate the timing characteristics in the scintillation response. The estimated photofraction in pulse height spectrum of 662 keV gamma-rays and the total mass attenuation coefficient at 662 keV gamma-rays were also determined and compared with the theoretical ones calculated using the WinXCom program. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：153 / 156
页数：4
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