Analysis of the Eu3+ emission in a SrWO4 laser matrix under pressure

被引：13
|
作者：
Rivera-Lopez, Fernando [1 ]
Martin, I. R.
Da Silva, I.
Gonzalez-Silgo, C.
Rodriguez-Mendoza, U. R.
Lavin, V.
Lahoz, F.
Diaz-Gonzalez, S. Maceda
Martinez-Sarrion, M. L.
Mestres, L.
Fernandez-Urban, J.
机构：
[1] Univ La Laguna, Dept Fis Fundamental & Expt Elect & Sistemas, E-38200 San Cristobal la Laguna, Spain
[2] Univ La Laguna, Fac Fis, Dept Fis Fundamental 2, E-38200 San Cristobal la Laguna, Spain
[3] Univ Barcelona, Fac Quim, Dept Quim Inorgan, E-08028 Barcelona, Spain
来源：
HIGH PRESSURE RESEARCH | 2006年 / 26卷 / 04期
关键词：
Eu3+; luminescence; pressure; phase transition;
D O I：
10.1080/08957950601105085
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Optical properties of the SrWO4 matrix doped with different Eu3+ concentrations (10%, 13% and 20%) have been studied. At ambient pressure, the temporal evolution of the emissions from the D-5(1) level has been analyzed in the different doped crystals in order to discuss the energy transfer processes between the Eu3+ ions. This study lets conclude that the Eu3+ ions are randomly distributed in the matrix. Moreover, the D-5(0) -> F-7(1,2) emissions have been measured increasing the pressure up to 15 GPa in order to analyze the changes in the Eu3+ local structure. The results confirm the existence of a structural phase transition around 8.5 GPa.
引用
收藏
页码：355 / 359
页数：5
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