Crystallization, structure and fluorescence emission of Nd3+- and Yb3+-doped NCS transparent glass-ceramics

被引：12
作者：
Lu, Anxian [1 ]
Hu, Xiaolin [1 ]
Lei, Yajun [1 ]
Luo, Zhiwei [1 ]
Li, Xiuying [2 ]
机构：
[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
[2] Cent S Univ, Sch Minerals Proc & Engn, Changsha 410083, Hunan, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2014年 / 40卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Glass; Highly crystalline; Transparent glass-ceramics; Transmittance; Fluorescence emission; HIGHLY CRYSTALLINE; GROWTH; PERFORMANCE; ABSORPTION; YB;
D O I：
10.1016/j.ceramint.2013.04.049
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：
Nd3+- and Yb3+-doped glasses and highly crystalline transparent glass-ceramics in the Na2O-CaO-SiO2 (NCS) system have been successfully prepared. Compared with Nd3+-doped NCS glass, the Yb3+-doped NCS glass has a stronger crystallization trend. The Nd3+- and Yb3+-doped NCS glass-ceramics contain about 84.35 +/- 5 vol% of Na6Ca3Si6O18 and 87.03 +/- 5 vol% of Na4Ca4Si6O18, respectively. The two crystal phases have the same basic structural units composed of 6-membered rings formed by 6 [SiO4] groups but the phase in the Yb3+-doped NCS glass-ceramics has a composition ratio. more similar to its parent glass. The transmittance of the Yb3+-doped NCS glass-ceramics is higher than that of Nd3+-doped sample. Strong fluorescence emissions have been observed for the Nd3+-and Yb3+-doped NCS glass-ceramics, which indicates the potential of rare earth ions-doped highly crystalline transparent glass-ceramics for use as laser medium materials. (C) 2013 Published by Elsevier Ltd and Techna Group S.r.l.
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页码：11 / 16
页数：6
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