Synthesis, crystal structure, and luminescence properties of CaY2Ge3O10:Ln3+, Ln = Eu, Tb

被引：13
|
作者：
Lipina, O. A. [1 ]
Surat, L. L. [1 ]
Melkozerova, M. A. [1 ]
Tyutyunnik, A. P. [1 ]
Leonidov, I. I. [1 ]
Zubkov, V. G. [1 ]
机构：
[1] Russian Acad Sci, Inst Solid State Chem, Ural Branch, Ekaterinburg 620990, Russia
来源：
OPTICS AND SPECTROSCOPY | 2014年 / 116卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
UP-CONVERSION LUMINESCENCE; EFFECTIVE IONIC-RADII; LASER; GERMANATES; ABSORPTION; SM3+;
D O I：
10.1134/S0030400X14050130
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The crystal structure and luminescence properties of CaY2Ge3O10:Ln(3+) (Ln = Eu, Tb) germanates synthesized via a conventional solid-state reaction and an ethylenediaminetetraacetic acid complexing process are studied. The CaY2 - x Ln (x) Ge3O10 (Ln = Eu, Tb; x = 0-1.0, 2.0; Delta x = 0.1) solid solutions have a monoclinic structure (space group P2(1)/c, Z = 4), in which dopant ions occupy three nonequivalent noncentrosymmetric sites with different Ca2+/Ln(3+) ratios. The effect of the synthesis methods, dopant concentrations, and excitation wavelengths on the luminescence properties of the compounds obtained is determined.
引用
收藏
页码：695 / 699
页数：5
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