Concentration-dependent effects of optical storage properties in CSSO:Dy

被引：24

作者：

Xu, Xuhui ^{[1
]}

Yan, Litao ^{[2
]}

Yu, Xue ^{[1
]}

Yu, Hongling ^{[1
]}

Jiang, Tingming ^{[1
]}

Jiao, Qing ^{[1
]}

Qiu, Jianbei ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Coll Mat Sci & Engn, Kunming 650093, Peoples R China

[2] Univ Missouri, Dept Chem Engn, Columbia, MO 65211 USA

来源：

MATERIALS LETTERS | 2013年 / 99卷

关键词：

Optical storage; Thermoluminescence; Luminescence; Photo-stimulated luminescence; Phosphors; PHOTOSTIMULATED LUMINESCENCE;

D O I：

10.1016/j.matlet.2013.03.019

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The optical storage properties of CSSO:Dy as a function of the dysprosium concentration were investigated. Following 980 nm excitation, the photo-stimulated luminescence of white-light was first observed in CSSO:Dy. TL curves revealed that there existed three types of trap (T-1, T-2, T-3) in CSSO:Dy corresponding to the temperature bands, located at 300, 424 and 525 k, respectively. With increasing dopant contents, the amount of the deep traps (T-2 and T-3) increases, whereas the shallow traps concentration decreases. The results demonstrate that the optical storage ability of CSSO:Dy is enhanced with increasing Dy3+ contents at room temperature. (C) 2013 Published by Elsevier B.V.

引用

页码：158 / 160

页数：3

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