Deterioration of photo-stimulated luminescence signals from materials by radiation

被引：6
|
作者：
Kobayashi, H [1 ]
Shibata, H
Eguchi, H
Satoh, M
Etoh, M
Takebe, M
Abe, K
机构：
[1] Rikkyo Univ, Inst Atom Energy, Yokosuka, Kanagawa 2400101, Japan
[2] Univ Tokyo, Nucl Sci & Technol Res Ctr, Tokyo 1130032, Japan
[3] Komazawa Junior Coll, Dept Radiol, Tokyo 1540012, Japan
[4] Fuji Photo Film Co Ltd, Sci Syst Equipment Prod Div, Tokyo 1068620, Japan
[5] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808578, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2000年 / 164卷
关键词：
photo-stimulated luminescence (PSL); scintillation; radiation deterioration; He-center dot ions; incomplete erasing; self generation of PSL signals; afterglow effect;
D O I：
10.1016/S0168-583X(99)01104-0
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A photo-stimulated luminescent (PSL) material, BaFBr0.85I0.15:Eu2+, was irradiated by 1 and 2 MeV He+ ions. The deterioration of PSL signals caused by heavy irradiation was found quite stable for a long time. In situ measurements of scintillation were also made during He- ion irradiation. A broad 400 nm peak and a decreasing continuum tail were observed for spectra of the scintillation. An afterglow effect was also observed as a function of time up to 10 s after stopping the He+ ion beam. Results are discussed relating with the incomplete erasing: and the self generation of PSL signals which were reported in our previous study. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：938 / 943
页数：6
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