Properties of Sm-Doped SrCl2 Crystalline Scintillators

被引：14

作者：

Nakauchi, Daisuke ^{[1
]}

Fujimoto, Yutaka ^{[2
]}

Kato, Takumi ^{[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

[2] Tohoku Univ, Dept Appl Chem, Grad Sch Engn, 6-6 Aramaki,Aoba, Sendai, Miyagi 9808579, Japan

来源：

CRYSTALS | 2022年 / 12卷 / 04期

基金：

日本科学技术振兴机构;

关键词：

scintillation; photoluminescence; near-infrared luminescence; RADIATION-DAMAGE; RAY; FLUORESCENCE; LUMINESCENCE; GROWTH; SRBR2;

D O I：

10.3390/cryst12040517

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Sm-doped SrCl2 crystals were prepared, and the scintillation properties such as emission spectra, decay profiles, and pulse height were investigated. Under X-ray irradiation, a broad band can be observed at 680 nm, which indicates that the major origin is due to 5d-4f transitions of Sm2+. The decay curve is approximated by one exponential function with a decay time of 10 mu s, and the decay time constant is typical for Sm2+. From the pulse height of Cs-137 gamma-rays, 0.1% Sm:SrCl2 shows a light yield of 33,000 photons/MeV.

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页数：7

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