Optical and thermally-stimulated luminescence properties of Ce-doped Al2O3 transparent ceramics

被引：5
|
作者：
Kato, Takumi [1 ]
Fukushima, Hiroyuki [1 ]
Nakauchi, Daisuke [1 ]
Kawaguchi, Noriaki [1 ]
Yanagida, Takayuki [1 ]
机构：
[1] Nara Inst Sci & Technol NAIST, 8916-5 Takayarna Cho, Ikoma, Nara 6300192, Japan
来源：
OPTIK | 2022年 / 264卷
基金：
日本学术振兴会;
关键词：
Transparent ceramic; Al2O3; Ce; Dosimeter; TSL; DOSIMETER PROPERTIES; THERMOLUMINESCENCE; PHOTOLUMINESCENCE; SCINTILLATION; NANOPARTICLES; PHOSPHOR;
D O I：
10.1016/j.ijleo.2022.169435
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical and thermally-stimulated luminescence (TSL) properties of Ce-doped Al2O3 transparent ceramics were investigated. The transparent ceramics were synthesized by the spark plasma sintering method. The Ce-doped Al2O3 transparent ceramics showed photoluminescence (PL), radioluminescence, and TSL peaking at around 400 nm, caused by 5d-4 f transitions of Ce3+. The PL decay curve consisted of two components with decay time constants of 21 and 43 ns. The TSL glow curves had glow peaks at 71, 130, 184, 251, 284, and 362 C. The 0.1% Ce-doped Al2O3 transparent ceramic exhibited the maximum TSL intensity among the present samples. The minimum detectable dose was turned out to be 0.03 mGy.
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页数：7
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