Evaluation of optical and radio-photoluminescence properties in Ag-doped 30KPO3-70Al(PO3)3 glasses

被引：14
作者：
Shiratori, Daiki [1 ]
Isokawa, Yuya [1 ]
Samizo, Hayata [1 ]
Kawaguchi, Noriaki [1 ]
Yanagida, Takayuki [1 ]
机构：
[1] Nara Inst Sci & Technol, 8916-5 Takayama, Ikoma, Nara 6300192, Japan
来源：
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2019年 / 127卷 / 07期
关键词：
Glass; Radio-photoluminescence; Dosimeter; DOSIMETER PROPERTIES; SILVER; LUMINESCENCE; SCINTILLATION; DETECTORS; CRYSTAL; CENTERS; ENERGY;
D O I：
10.2109/jcersj2.19058
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We prepared glass samples with a chemical composition of 30KPO(3)-70Al(PO3)(3) by the melt quenching method. As a radio-photoluminescence (RPL) emission center, Ag2O (0, 0.1, 0.3, 1.0 and 3.0%) was doped in these glasses. Before X-ray irradiation, Ag-doped samples showed a blue luminescence upon 254 nm excitation while they exhibited an orangish luminescence upon 304 nm excitation after X-ray irradiation. We evaluated dosimeter properties such as dose response properties of RPL, fading and thermally stimulated luminescence (TSL) glow curves. Dose response function in RPL emission indicated the lower detection limit of 100 mGy. In addition, TSL glow curve of Ag-doped 30KPO(3)-70Al(PO3)(3) showed that accumulated carriers in the samples were released at around 85 degrees C and easily re-excited at room temperature. (C) 2019 The Ceramic Society of Japan. All rights reserved.
引用
收藏
页码：455 / 461
页数：7
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