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Densification of cerium-doped lutetium oxyorthosilicate scintillation ceramics by hot isostatic pressing
Fan, Lingcong1,2; Jiang, Menghan1; Lin, Debao1; Zhou, Ding1; Shi, Ying1; Wu, Yiquan2; Yao, Heliang3; Xu, Fangfang3; Xie, Jianjun1; Lei, Fang1; Zhang, Lei1; Zhang, Jieyu1
2017
发表期刊Journal of Alloys and Compounds
ISSN09258388
卷号720页码:161-168
摘要The effects of presintering temperature, soak time, and Hot Isostatic Pressing (HIPing) temperature on the microstructure and densification behavior of cerium-doped lutetium oxyorthsilicate (Lu2SiO5:Ce, LSO:Ce) ceramics were investigated. It was determined that the most suitable presintering conditions (minimum presintering temperature and shortest soak time) required to obtain closed porosity were a 4 h dwell at 1650 °C in air. The optimal HIPing conditions to achieve full density were determined to be 1 h at 1650 °C under a 150 MPa Ar atmosphere. The luminescence decay time of the HIPed LSO:Ce ceramics is composited of a fast component of 10 ns (51%) and a slow component of 31 ns (49%), which is shorter than that of cerium-doped rare earth oxyorthsilicate single crystal. The light yield of the LSO:Ce ceramics reaches 21,000 photons/MeV, which is ∼95% of the value of a typical LSO:Ce single crystal. © 2017
DOI10.1016/j.jallcom.2017.05.248
EI入藏号20172203707159
EI主题词Cerium compounds
EI分类号741.1 Light/Optics - 802.3 Chemical Operations - 804.2 Inorganic Compounds - 812.1 Ceramics - 933.1 Crystalline Solids
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25831
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.Kazuo Inamori School of Engineering, New York State College of Ceramics, Alfred University, Alfred; NY; 14802, United States;
3.State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Shanghai; 200050, China
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Fan, Lingcong,Jiang, Menghan,Lin, Debao,et al. Densification of cerium-doped lutetium oxyorthosilicate scintillation ceramics by hot isostatic pressing[J]. Journal of Alloys and Compounds,2017,720:161-168.
APA Fan, Lingcong.,Jiang, Menghan.,Lin, Debao.,Zhou, Ding.,Shi, Ying.,...&Zhang, Jieyu.(2017).Densification of cerium-doped lutetium oxyorthosilicate scintillation ceramics by hot isostatic pressing.Journal of Alloys and Compounds,720,161-168.
MLA Fan, Lingcong,et al."Densification of cerium-doped lutetium oxyorthosilicate scintillation ceramics by hot isostatic pressing".Journal of Alloys and Compounds 720(2017):161-168.
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