Scintillation and optical stimulated luminescence of Ce-doped CaF2

被引：88

作者：

Yanagida, Takayuki ^{[1
]}

Fujimoto, Yutaka ^{[1
]}

Watanabe, Kenichi ^{[2
]}

Fukuda, Kentaro ^{[3
]}

Kawaguchi, Noriaki ^{[4
]}

Miyamoto, Yuka ^{[5
]}

Nanto, Hidehito ^{[6
]}

机构：

[1] Frontier Res Acad Young Researchers, Kyushu Inst Technol, Wakamatsu Ku, Kitakyushu, Fukuoka 8080196, Japan

[2] Nagoya Univ, Dept Quantum Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan

[3] Tokuyama Corp, Shibuya Ku, Tokyo 1508383, Japan

[4] A&T Corp, Fujisawa, Kanagawa 2520816, Japan

[5] Chiyoda Technol Corp, Oarai, Ibaraki 3111313, Japan

[6] Kanazawa Inst Technol, Hakusann, Ishikawa 9240838, Japan

来源：

RADIATION MEASUREMENTS | 2014年 / 71卷

关键词：

Scintillation; Scintillator; OSL; Ce3+; CaF2;

D O I：

10.1016/j.radmeas.2014.03.020

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Scintillation and optical stimulated luminescence of Ce 0.1-20% doped CaF2 crystals prepared by Tokuyama Corp. were investigated. In X-ray induced scintillation spectra, luminescence due to Ce3+ 5d -4f transition appeared around 320 nm with typically 40 ns decay time. By Am-241 5.5 MeV alpha-ray irradiation, 0.1% doped one showed the highest scintillation light yield and the light yield monotonically decreased with Ce concentrations. Optically stimulated luminescence after X-ray irradiation was observed around 320 nm under 550 or 830 nm stimulation in all samples. As a result, intensities of optically stimulated luminescence were proportional to Ce concentrations. Consequently, scintillation and optically stimulated luminescence resulted to have a complementary relation in Ce-doped CaF2 system. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：162 / 165

页数：4

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