Optically stimulated luminescence of Dy3+-doped NaCaPO4 glass-ceramics

被引：0

作者：

Jie Xu ^{[1
,2
]}

Zhaoyang Chen ^{[1
]}

Minqiang Gai ^{[1
]}

Yanwei Fan ^{[1
]}

Chengfa He ^{[3
]}

机构：

[1] Key Laboratory of Functional Materials and Devices for Special Environments of CAS,Xinjiang Key Laboratory of Electronic Information Materials and Devices,Xinjiang Technical Institute of Physics and Chemistry of CAS

[2] University of Chinese Academy of Sciences

[3] Laboratory of Solid State Radiation Physics

来源：

Journal of Rare Earths | 2020年 / 38卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Optically stimulated luminescence; Glass-ceramics; Radiation measurements; Photoluminescence; Rare earths;

D O I：

暂无

中图分类号：

TQ171.733 [];

学科分类号：

摘要：

Dy-doped glass-ceramics containing NaCaPOcrystals were successfully fabricated by heat treatment at base glass,and the luminescence properties were investigated for potential applications in radiation measurements.The photo luminescence(PL) excitation and emission spectra exhibit transitions related to Dyions corresponding to the strongest excitation and emission wavelengths at 351 and 575 nm,respectively.The CW-OSL properties as a function of dopant concentration,pre-heating temperature,pre-heating time and signal fading were investigated.The most appropriate Dyion concentration was found to be 0.25 mol%.The TL glow curves have a broad peak feature peaking at 195±5 ℃.The fading of the OSL signal would keep stable in five days with the intensity value of about 76.11%.The samples also exhibit good signal reusability and a broad linear dose response range(0.02-1000 Gy).

引用

页码：927 / 932

页数：6

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