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2015 | 127 | 3 | 854-858
Article title

Optical and Scintillation Properties of Bi_{4}(Ge_{x}S_{1-x})_{3}O_{12} Single Crystal

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EN
Abstracts
EN
The solid solution crystals, Bi_{4}(Ge_{x}Si_{1-x})_{3}O_{12} (BGSO) with x=0, 0.05, and 0.15, have been grown by the modified vertical Bridgman method. The as-grown crystals show 80% of transmittance with an absorption edge of 285 nm. The relative light yields of BGSO crystals are found to be 7.2%, 6.3%, and 4.2% of CsI(Tl) crystal for x=0, 0.05, and 0.15, respectively. The energy resolutions of these crystals are 18.9%, 21.3%, and 24.7%, respectively, with PMT for 662 keV gamma rays at room temperature when exposed to ^{137}Cs γ -ray. The scintillation performance of BGSO crystals clearly deteriorates with the increase of Ge content. However, the appropriate number of germanium ions doped to BSO crystal can improve its crystallization behavior and effectively restrain component segregation. It is expected that large size crystals of BGSO will be grown and applied to the dual readout calorimeter in the nearest future.
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Contributors
author
  • School of Materials Science and Engineering, Tongji University, Shanghai 201804, P.R. China
  • School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, P.R. China
  • Department of Fundamental Science, Beifang University of Nationalities, Yinchuan 750021, P.R. China
author
  • School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, P.R. China
author
  • School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, P.R. China
author
  • School of Materials Science and Engineering, Tongji University, Shanghai 201804, P.R. China
author
  • School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, P.R. China
author
  • School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, P.R. China
author
  • School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, P.R. China
author
  • School of Materials Science and Engineering, Tongji University, Shanghai 201804, P.R. China
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv127n336kz
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