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Optical and scintillation properties of Cs2LiYCl6:Ce crystal
Wang, Qing-Qing1,2; Shi, Jian2; Li, Huan-Ying2; Chen, Xiao-Feng2; Pan, Shang-Ke3; Bian, Jian-Jiang1; Ren, Guo-Hao2
2017
发表期刊Wuji Cailiao Xuebao/Journal of Inorganic Materials
ISSN1000324X
卷号32期号:2页码:175-179
摘要Crystal structure of Cs2LiY0.95Cl6:5%Ce crystal (CYLC) grown by vertical Bridgement method from polycrystal raw materials was measured by X-ray diffraction (XRD) and was proved to have elpasolite structure. The detected structure of Cs2LiYCl6:Ce crystal was agreed well with theoretical structure. Six optical absorption bands which are suggested to originate from the transition of electron from 4f to 5d1~5of Ce ions and self-trapped excition (STE), can be identified in the absorption spectra of the CLYC:Ce crystal. X-ray and ultraviolet excited luminescence spectra of Cs2LiY0.95Cl6:5%Ce crystal present an emission band from 350 nm to 450 nm corresponding to 5d-4f transitions of Ce3+ions. The peaks locating at 300 nm and 321 nm can be ascribed to core to valence luminescence and STE luminescence. Under the excitation of γ-rays from137Cs, Cs2LiY0.95Cl6:5%Ce crystal presents energy resolution of 8.1%, and scintillation decay time of 58 ns and 580 ns. All of these properties show that Cs2LiYCl6:Ce crystal is a promising scintillator for neutron and gamma detection applications. © 2017, Science Press. All right reserved.
DOI10.15541/jim20160307
EI入藏号20171103436688
EI主题词Crystal structure
EI分类号741.1 Light/Optics - 931.3 Atomic and Molecular Physics - 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/331005/25939
专题中国科学院上海硅酸盐研究所
作者单位1.School of Materials Science and Engineering, Shanghai University, Shanghai; 200444, China;
2.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 201800, China;
3.State Key Laboratory Base of Novel Function Materials and Preparation Science, School of Material Sciences and Chemical Engineering, Ningbo University, Ningbo; 315211, China
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GB/T 7714
Wang, Qing-Qing,Shi, Jian,Li, Huan-Ying,et al. Optical and scintillation properties of Cs2LiYCl6:Ce crystal[J]. Wuji Cailiao Xuebao/Journal of Inorganic Materials,2017,32(2):175-179.
APA Wang, Qing-Qing.,Shi, Jian.,Li, Huan-Ying.,Chen, Xiao-Feng.,Pan, Shang-Ke.,...&Ren, Guo-Hao.(2017).Optical and scintillation properties of Cs2LiYCl6:Ce crystal.Wuji Cailiao Xuebao/Journal of Inorganic Materials,32(2),175-179.
MLA Wang, Qing-Qing,et al."Optical and scintillation properties of Cs2LiYCl6:Ce crystal".Wuji Cailiao Xuebao/Journal of Inorganic Materials 32.2(2017):175-179.
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