Photoluminescent properties of Dy3+ in MgO-Ga2O3-SiO2 nano-glass-ceramic prepared by sol-gel method

被引：2
|
作者：
Yu, Lixin [1 ]
Liu, Hai [1 ]
机构：
[1] Nanchang Univ, Dept Mat Sci & Engn, Nanchang 330031, Peoples R China
来源：
PHYSICA B-CONDENSED MATTER | 2011年 / 406卷 / 15-16期
关键词：
Glass-ceramic; Photoluminescence spectroscopy; MgGa2O4; nanocrystals; NEAR-INFRARED LUMINESCENCE; TRANSPARENT;
D O I：
10.1016/j.physb.2011.05.015
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The MgO-Ga2O3-SiO2 (MGS) glass and glass-ceramic (GC) containing MgGa2O4 nanocrystals and Dy3+ ions were prepared by a simple sol-gel method. MgGa2O4 nanocrystals in MgO-Ga2O3-SiO2 GC formed when the heating temperature reached 800 degrees C. The energy transfer from MgGa2O4 nanocrystals to Dy3+ was observed. It is important that the strong white light emission is observed corresponding to the excitation band gap of MgGa2O4 nanocrystals. As exciting Dy3+ ions, only weak yellow and blue emissions were observed. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：3101 / 3103
页数：3
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