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Composition and properties tailoring in Mg2+codoped non-stoichiometric LuAG:Ce,Mg scintillation ceramics
Liu, Shuping1; Mares, Jiri A.2; Babin, Vladimir2; Hu, Chen1; Kou, Huamin1; D'Ambrosio, Carmelo3; Li, Jiang1; Pan, Yubai4; Nikl, Martin2
2017
发表期刊Journal of the European Ceramic Society
ISSN09552219
卷号37期号:4页码:1689-1694
摘要A comprehensive study of the optical, radioluminescence and scintillation properties of both the Lu3+rich and Lu3+deficient non-stoichiometric Lu3+xAG:Ce,Mg (Lu3+xAl5O12:Ce,Mg, x = −4, −1, +1 and +4 at.%) ceramics are performed, completed further by the microstructure and defects characterization. Small deviation from the stoichiometric composition as well as Mg2+codoping plays a crucial role in ceramic transparency, radioluminescence intensity and the timing characteristics of scintillation response. The LuAlantisite defects could be suppressed efficiently by controlling Lu3+content below stoichiometry of LuAG host. MgO (Mg2+ions) as effective sintering aids, can improve both the optical quality and scintillation performance (light yield, scintillation decay times and the ratio of fast decay components). We generally discuss the composition dependence of defects and properties tailoring. We also performed the systematic comparative study with the stoichiometric LuAG:Ce,Mg ceramic and the commercial BGO and LuAG:Ce single crystals. © 2016 Elsevier Ltd
DOI10.1016/j.jeurceramsoc.2016.10.023
EI入藏号20165103142217
EI主题词Scintillation
EI分类号541.2 Aluminum Alloys - 741.1 Light/Optics - 804.2 Inorganic Compounds - 812.1 Ceramics - 933.1 Crystalline Solids - 933.1.1 Crystal Lattice
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25488
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramic, Chinese Academy of Science, Shanghai; 200050, China;
2.Institute of Physics v.v.i., AS CR, Cukrovarnicka 10, Prague; 16253, Czech Republic;
3.CERN, PH-LHB Group, Geneva 23, CH1211, Switzerland;
4.Shanghai Normal University, Shanghai; 200234, China
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GB/T 7714
Liu, Shuping,Mares, Jiri A.,Babin, Vladimir,et al. Composition and properties tailoring in Mg2+codoped non-stoichiometric LuAG:Ce,Mg scintillation ceramics[J]. Journal of the European Ceramic Society,2017,37(4):1689-1694.
APA Liu, Shuping.,Mares, Jiri A..,Babin, Vladimir.,Hu, Chen.,Kou, Huamin.,...&Nikl, Martin.(2017).Composition and properties tailoring in Mg2+codoped non-stoichiometric LuAG:Ce,Mg scintillation ceramics.Journal of the European Ceramic Society,37(4),1689-1694.
MLA Liu, Shuping,et al."Composition and properties tailoring in Mg2+codoped non-stoichiometric LuAG:Ce,Mg scintillation ceramics".Journal of the European Ceramic Society 37.4(2017):1689-1694.
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