Tm Concentration Dependence on Scintillation Properties of Y3Al5O12 Garnet Single Crystals

被引：0
|
作者：
Kunikata, Toshiaki [1 ]
Kantuptim, Prom [2 ]
Shiratori, Daiki [3 ]
Kato, Takumi [1 ]
Nakauchi, Daisuke [1 ]
Kawaguchi, Noriaki [1 ]
Yanagida, Takayuki [1 ]
机构：
[1] Nara Inst Sci & Technol, 8916-5 Takayama, Ikoma, Nara 6300192, Japan
[2] King Mongkuts Univ Technol Thonburi, Fac Sci, Dept Phys, Bangkok 10140, Thailand
[3] Tokyo Univ Sci TUS, 6-3-1 Niijuku,Katsushika ku, Tokyo 1258585, Japan
来源：
SENSORS AND MATERIALS | 2024年 / 36卷 / 02期
基金：
日本学术振兴会;
关键词：
Tm-doped YAG; scintillation; single crystals; radiation detector; YAG; LUMINESCENCE;
D O I：
10.18494/SAM4754
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Tm-doped Y3Al5O12 (YAG) single crystals with different Tm concentrations (0.1, 0.5, 1.0, and 2.0%) were grown using the floating zone method. X -ray -induced scintillation spectra, scintillation decay curves, and gamma-ray-induced pulse height spectra of the obtained Tm-doped YAG single crystals were investigated. All the samples showed emission peaks due to the 4f-4f transitions of Tm3+ ions, and the decay times were around 40-20 mu s under X-ray excitation. The 0.5% Tm-doped YAG sample showed the highest light yield under 662 keV gamma-ray excitation among the samples. The optimal dopant concentration of Tm-doped YAG single crystals was confirmed to be 0.5%.
引用
收藏
页码：457 / 463
页数：7
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