Photoluminescence spectra of rare earth doped CaGa2S4 single crystals

被引：1
|
作者：
Hidaka, C [1 ]
Yamagishi, E [1 ]
Takizawa, T [1 ]
机构：
[1] Nihon Univ, Coll Humanities & Sci, Dept Phys, Setagaya Ku, Tokyo 1568550, Japan
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2005年 / 66卷 / 11期
关键词：
optical materials; crystal growth; luminescence; optical properties;
D O I：
10.1016/j.jpcs.2005.09.068
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Six kind CaGa2S4 single crystals doped with different rare earth (RE) elements are grown by the horizontal Bridgman method, and their photoluminescence (PL) spectra are measured in the temperature range from 10 to 300 K. The PL spectra of Ce or Eu doped crystals have broad line shapes due to the phonon assisted 4f-5d transitions. On the other hand, those of Pr3+, Tb3+, Er3+ or Tm3+ doped samples show narrow ones owing to the 4f-4f transitions. The assignments of the electronic levels are made in reference to the reported data of RE 4f multiplets observed in same materials. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2061 / 2064
页数：4
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