In this work, carbon doped yttrium aluminum garnet (YAG) (YAG:C) crystal was grown by the temperature gradient technique in a reducing atmosphere. The optical and thermoluminescence (TL) properties of the as-grown YAG:C crystal were investigated. Four absorption bands at 235, 255, 298, and 370 nm and a main blue emission peak at 400 nm are observed in the YAG:C crystal. The absorption coefficients of the bands at 235 and 370 nm, which are associated with the -center, increase sharply in YAG crystal by the introduction of carbon. As-grown YAG:C crystal shows high TL sensitivity, and three main glow peaks at 390 K , 465 K , 524 K and two weak glow peaks at 580 and 625 K are found. The TL dose responses of the three main glow peaks show linear-supralinear characteristic, and wide linearity dose response are found in and glow peaks. The temperature position and TL intensity of three main glow peaks show a strong dependence of heating rate in YAG:C crystal.
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1 August 2009
Research Article|
August 11 2009
Thermoluminescence properties of carbon doped (YAG) crystal
Xin-Bo Yang;
Xin-Bo Yang
a)
1Key Laboratory of Transparent and Opto-Functional Advanced Inorganic Materials, Shanghai Institute of Ceramics,
Chinese Academy of Sciences
, Shanghai 201800, People’s Republic of China
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Jun Xu;
Jun Xu
b)
1Key Laboratory of Transparent and Opto-Functional Advanced Inorganic Materials, Shanghai Institute of Ceramics,
Chinese Academy of Sciences
, Shanghai 201800, People’s Republic of China
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Hong-Jun Li;
Hong-Jun Li
1Key Laboratory of Transparent and Opto-Functional Advanced Inorganic Materials, Shanghai Institute of Ceramics,
Chinese Academy of Sciences
, Shanghai 201800, People’s Republic of China
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Qun-Yu Bi;
Qun-Yu Bi
2Shanghai Institute of Optics and Fine Mechanics,
Chinese Academy of Sciences
, Shanghai 201800, People’s Republic of China
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Liang-Bi Su;
Liang-Bi Su
1Key Laboratory of Transparent and Opto-Functional Advanced Inorganic Materials, Shanghai Institute of Ceramics,
Chinese Academy of Sciences
, Shanghai 201800, People’s Republic of China
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Yan Cheng;
Yan Cheng
2Shanghai Institute of Optics and Fine Mechanics,
Chinese Academy of Sciences
, Shanghai 201800, People’s Republic of China
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Qiang Tang
Qiang Tang
3Department of Physics,
Zhongshan University
, Guangzhou, 510275, People’s Republic of China
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a)
Electronic mail: yangxinbo2000@163.com.
b)
Electronic mail: xujun@mail.shcnc.ac.cn.
J. Appl. Phys. 106, 033105 (2009)
Article history
Received:
April 21 2009
Accepted:
July 07 2009
Citation
Xin-Bo Yang, Jun Xu, Hong-Jun Li, Qun-Yu Bi, Liang-Bi Su, Yan Cheng, Qiang Tang; Thermoluminescence properties of carbon doped (YAG) crystal. J. Appl. Phys. 1 August 2009; 106 (3): 033105. https://doi.org/10.1063/1.3194794
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