Synthesis, Growth and Scintillation Properties of Large Size Bi4Si3O12 Crystals

被引：4
作者：
Xu Jia-Yue [1 ]
Wang Jie [1 ]
Chen Wei [1 ]
Xiao Xue-Feng [1 ,2 ]
Yang Bo-Bo [1 ]
Wang Zhan-Yong [1 ]
Li Fei [3 ]
Xie Hui-Dong [3 ]
机构：
[1] Shanghai Inst Technol, Inst Crystal Growth, Sch Mat Sci & Engn, Shanghai 201418, Peoples R China
[2] Beifang Univ Nationalities, Dept Fundamental Sci, Yinchuan 750021, Peoples R China
[3] Xian Univ Architecture & Technol, Sch Sci, Xian 710055, Peoples R China
来源：
JOURNAL OF INORGANIC MATERIALS | 2016年 / 31卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Sol-Gel method; Bi4Si3O12; crystal; vertical Bridgman method; crystal growth; scintillation property; BISMUTH SILICATE BI4SI3O12; BRIDGMAN GROWTH; BSO; BGO;
D O I：
10.15541/jim20160061
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Using stoichiometric Si(OC2H5)(4) and Bi(NO3)(3)center dot 5H(2)O as precursors and citric acid as solvent, polycrystalline Bi4Si3O12 (BSO) powders were synthesized by Sol-Gel method and sintered at high temperature. Batch production of 250 g powders was realized. Using as-synthesized BSO powders and <001>-oriented BSO seeds, BSO crystals were grown in the vertical Bridgman furnace. The crystallization behavior was discussed and high quality BSO crystal up to 30 mm x 30 mm x 210 mm was obtained. The scintillation characteristics of BSO single crystals were investigated. The energy resolution of the BSO crystal was 18.9% and the relative light yield of the crystal was 7.2% compared with CsI(Tl) at the same conditions.
引用
收藏
页码：1147 / 1150
页数：4
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