Photoluminescence properties of Tb-doped and (Zn,Tb) co-doped barium strontium titanate crystalline powders
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- 作者：Lili Zhao ; zhao_lili1109@163.com ; Yanqiu Liu ; Chunxue Zhai ; Fuyou Liao ; Yongjin Gao
- 关键词：Optical properties ; Barium strontium titanate ; Doping ; Photoluminescence ; Sol&ndash ; gel process
- 刊名：Journal of Alloys and Compounds
- 出版年：2017
- 出版时间：15 February 2017
- 年：2017
- 卷：694
- 期：Complete
- 页码：721-725
- 全文大小：1343 K
- 卷排序：694
文摘
Tb-doped and (Zn,Tb)-codoped BST crystalline powders were prepared. The concentration quenching phenomenon was observed in PL spectra of samples. (Zn,Tb)-codoping in BST powders can effectively enhance PL properties. Enhanced PL intensities were explained by a charge compensation mechanism.