La3+ eliminate the blue component from the emission of Y2O3:Bi3+

被引：2
|
作者：
Yousif, A. [1 ,2 ]
Swart, H. C. [1 ]
机构：
[1] Univ Orange Free State, Dept Phys, POB 339, ZA-9300 Bloemfontein, South Africa
[2] Univ Khartoum, Fac Educ, Dept Phys, POB 321, Omdurman 11115, Sudan
来源：
MATERIALS LETTERS | 2016年 / 171卷
基金：
新加坡国家研究基金会;
关键词：
Y2O3:Bi3+; La3+ ions; Photoluminescence; Cathodeluminescence; PHOSPHOR; LUMINESCENT;
D O I：
10.1016/j.matlet.2016.02.081
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A systematic investigation was done on the luminescence properties of Bi3+ doped Y2O3 in the presence of different La3+ ion concentrations prepared by the sol gel combustion method. The results revealed that the incorporation of La3+ ions in the Y2O3 lattice, induced elimination of the blue emission from the Bi3+ ions occupying the S-6 side of the Y3+ ion in the Y2O3 lattice. This change in the luminescence properties was attributed to the change in the crystal structure around the Bi3+ ions. The X-ray diffraction technique shows the change in the crystal structure as the results of the La3+ ions incorporation. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：171 / 173
页数：3
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