Concentration dependence on scintillation properties of BaCl2:Yb 2:Yb transparent ceramics prepared by SPS method

被引：0
|
作者：
Otake, Shota [1 ]
Sakaguchi, Hirotaka [1 ]
Yoshikawa, Yuta [1 ]
Kato, Takumi [1 ]
Nakauchi, Daisuke [1 ]
Kawaguchi, Noriaki [1 ]
Yanagida, Takayuki [1 ]
机构：
[1] Nara Inst Sci & Technol NAIST, Div Mat Sci, 8916-5 Takayama, Ikoma, Nara 6300192, Japan
来源：
OPTICAL MATERIALS | 2024年 / 154卷
基金：
日本学术振兴会;
关键词：
Transparent Ceramic; BaCl2; Yb; Photoluminescence; Scintillation; SPS; YAG;
D O I：
10.1016/j.optmat.2024.115747
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We developed BaCl2:Yb 2 :Yb transparent ceramics by the spark plasma sintering method and evaluated their optical and scintillation properties. An emission peak in the photoluminescence and scintillation spectra was observed at 440 nm due to the spin-forbidden 4f135d1-4f14 13 5d 1 -4f 14 transition of Yb2+. 2 + . The afterglow levels of the BaCl2:Yb 2 :Yb transparent ceramics were lower than those of a commonly used inorganic scintillator CsI:Tl and CdWO4. 4 . The scintillation light yield of the 0.5% doped BaCl2:Yb 2 :Yb transparent ceramic was 2400 ph/MeV under 137 Cs gamma-ray irradiation, and the value is low in comparison with those of other Yb-doped halide materials.
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页数：5
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