OPTICAL AND SCINTILLATION PROPERTIES OF MG2+ - CODOPED GD2YAL2.4GA2.6O12:CE CERAMIC SCINTILLATOR

被引：0
|
作者：
Lertloypanyachai, Prapon [1 ]
Donjewphrai, Tharadol [1 ]
Sukwanichwichai, Worakan [1 ]
Sreebunpeng, Krittiya [2 ]
Yawai, Nattasuda [3 ]
Chewpraditkul, Weerapong [3 ]
Jiang, Benxue [4 ]
机构：
[1] Muban Chombueng Rajabhat Univ, Fac Sci & Technol, Ratchaburi 70150, Thailand
[2] Chandrakasem Rajabhat Univ, Fac Sci, Bangkok 10900, Thailand
[3] King Mongkuts Univ Technol Thonburi, Bangkok 10140, Thailand
[4] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
来源：
SURANAREE JOURNAL OF SCIENCE AND TECHNOLOGY | 2024年 / 31卷 / 03期
关键词：
Ce (3+); Gd2Y</span>Al (2.4) Ga (2.6) O 12 :</span>Ce; Ce; luminescence; scintillation; transparent ceramic; LUMINESCENCE; PERFORMANCE; GD3+; CE3+;
D O I：
10.55766/sujst-2024-03-e05614
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Mg2+ - codoped Gd2YAl2.4Ga2.6O12:Ce ceramic scintillator was fabricated by sintering in an oxygen atmosphere and hot isostatic pressing. It exhibits a high integral scintillation efficiency of 400 % of Bi4Ge3O12 crystal scintillator. Under excitation with 662 keV gamma rays, it shows a light yield value of 22,200 photons/MeV along with scintillation decay times of 24.5 ns (24%) + 75 ns (76%). The scintillation response under excitation with 5.5 MeV alpha particles from a Pu-238 source was also investigated and discussed.
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页数：6
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