Effect of annealing temperature on the microstructure and scintillation properties of CsI(Tl) films
Cheng F(程峰); Zhong YR(钟玉荣); Wang BY(王宝义); Wei L(魏龙); Cheng, F; Zhong, YR; Wang, BY; Wang, TM; Wei, L
刊名JOURNAL OF INORGANIC MATERIALS
2008
卷号23期号:4页码:749-752
关键词CsI films microstructure scintillation properties
学科分类Materials Science
通讯作者[Cheng Feng] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China ; [Cheng Feng ; Zhong Yu-Rong ; Wang Bao-Yi ; Wei Long] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Wang Tian-Min] Beijing Univ Aeronaut & Astronaut, Sch Sci, Beijing 100083, Peoples R China
文章类型Article
英文摘要CsI(Tl) films were prepared by thermal evaporation and annealed at various temperatures. Structure and scintillation properties of the films were examined using X-ray diffraction, scanning electron microscope, X-ray fluorescence spectrometry, positron annihilation lifetime spectroscope and scintillation pulse height spectrometry. Results show that the CsI films are in micro-columnar structure with a preferential (200) orientation. When the sample is annealed at 150 degrees C, Tl+ ions diffuse to the sample surface. Consequently, the amount and size of the vacancy type of defects increase. However,the light yield increases a little after annealed. The samples annealed at 250 degrees C have a good crystalline state and scintillation properties. As the annealing temperature increases to 400 degrees C, the light output of the samples decreases seriously due to the dramatic change of their microstructure and the decrease of Ti+.
类目[WOS]Materials Science, Ceramics
研究领域[WOS]Materials Science
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语种英语
WOS记录号WOS:000257928900023
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238419
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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Cheng F,Zhong YR,Wang BY,et al. Effect of annealing temperature on the microstructure and scintillation properties of CsI(Tl) films[J]. JOURNAL OF INORGANIC MATERIALS,2008,23(4):749-752.
APA 程峰.,钟玉荣.,王宝义.,魏龙.,Cheng, F.,...&Wei, L.(2008).Effect of annealing temperature on the microstructure and scintillation properties of CsI(Tl) films.JOURNAL OF INORGANIC MATERIALS,23(4),749-752.
MLA 程峰,et al."Effect of annealing temperature on the microstructure and scintillation properties of CsI(Tl) films".JOURNAL OF INORGANIC MATERIALS 23.4(2008):749-752.
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