The luminescence and stabilities of Sm2+ ions doped in LiBaB9O15

被引：14
|
作者：
Wang, Jiayu [1 ]
Li, Yadong [1 ]
Huang, Yanlin [1 ]
Shi, Liang [2 ]
Seo, Hyo Jin [2 ]
机构：
[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
[2] Pukyong Natl Univ, Dept Phys, Pusan 608737, South Korea
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2010年 / 120卷 / 2-3期
关键词：
Radiation effects; Optical properties; Luminescence; ALKALINE-EARTH FLUOROHALIDES; X-RAY-IRRADIATION; OPTICAL-PROPERTIES; INDUCED REDUCTION; SILICATE-GLASSES; BORATE GLASSES; VALENCE CHANGE; HOLE; CRYSTALS; BABPO5;
D O I：
10.1016/j.matchemphys.2009.12.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Sm3+-doped LiBaB9O15 polycrystalline sample was prepared by the conventional solid-state reaction. The phase formation of the sample was investigated by X-ray powder diffraction measurement. X-ray irradiation could cause Sm3+ -> Sm2+ conversion in this host. The luminescence spectra and decay curves of the Sm2+ ions were investigated. The thermal-stability of the Sm2+ ions generated by X-ray irradiation was investigated by taking the luminescence spectra after heat treatment at different temperatures in air. The photo-stability of the Sm2+ ions was evaluated by photo-bleaching method by monitoring the D-5(0) -> F-7(0) luminescence transition under the excitation at 488 nm of Ar+ laser. The results showed that the Sm2+ ions in LiBaB9O15 created by X-ray irradiation had higher stability than the reported references. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：598 / 602
页数：5
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