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Luminescence and decay time properties of pure CsI crystals
Ren, Guo-Hao1; Song, Zhao-Hui2; Zhang, Zi-Chuan2; Zhang, Kan2; Yang, Fan1; Li, Huan-Ying1; Chen, Xiao-Feng1
2017
发表期刊Wuji Cailiao Xuebao/Journal of Inorganic Materials
ISSN1000324X
卷号32期号:2页码:169-174
摘要Pure CsI crystal is a kind of fast scintillators which can be used to detect γ-rays, neutrons as well as other radiation. Optical transmission and luminescence properties of pure CsI crystal grown with Vertical Bridgman method were measured under the excitation of UV, continuous X-ray, pulse X-ray as well as cosmic rays at room temperature. Cut-off edge of the grown CsI crystal reaches 240 nm, which is the shortest among the literature reported previously. Excitation and emission wavelength are 241 nm and 318 nm, respectively. The decay times of the fast intrinsic luminescence can be fitted into two components, 2~3 nm and 18~25 nm under the excitation of X-ray or cosmic rays. The light outputs measured from the crystal with size of 30 mm×30 mm×200 mm are 143 p.e/MeV and 127 p.e./MeV as its seed end and tail end were coupled with PMT, respectively. Even though the non-uniformity (12.6%) exists along the growth direction of the crystal, no significant slow component longer than 100 ns are observed. All of these properties prove that the pure CsI crystal is a promising fast scintillator. © 2017, Science Press. All right reserved.
DOI10.15541/jim20160304
EI入藏号20171103436687
EI主题词Crystal growth from melt
EI分类号543.6 Vanadium and Alloys - 547 Minor, Precious and Rare Earth Metals and Alloys - 657 Space Physics - 657.2 Extraterrestrial Physics and Stellar Phenomena - 741.1 Light/Optics - 804 Chemical Products Generally - 932.1 High Energy Physics - 933.1 Crystalline Solids - 933.1.2 Crystal Growth - 944.7 Radiation Measuring Instruments
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25569
专题中国科学院上海硅酸盐研究所
作者单位1.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 201800, China;
2.Northwestern Institute of Nuclear Technology, Xi'an; 710024, China
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Ren, Guo-Hao,Song, Zhao-Hui,Zhang, Zi-Chuan,et al. Luminescence and decay time properties of pure CsI crystals[J]. Wuji Cailiao Xuebao/Journal of Inorganic Materials,2017,32(2):169-174.
APA Ren, Guo-Hao.,Song, Zhao-Hui.,Zhang, Zi-Chuan.,Zhang, Kan.,Yang, Fan.,...&Chen, Xiao-Feng.(2017).Luminescence and decay time properties of pure CsI crystals.Wuji Cailiao Xuebao/Journal of Inorganic Materials,32(2),169-174.
MLA Ren, Guo-Hao,et al."Luminescence and decay time properties of pure CsI crystals".Wuji Cailiao Xuebao/Journal of Inorganic Materials 32.2(2017):169-174.
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