Study of Yb3+-Yb3+ and Yb3+-Ce3+ energy transfer in Yb,Ce:CaGd4Si3O13 (Yb,Ce:CGS) crystals

被引：4
|
作者：
Voroshilov, IV [1 ]
Lebedev, VA [1 ]
Gavrilenko, AN [1 ]
Ignatiev, BV [1 ]
Isaev, VA [1 ]
Shestakov, A [1 ]
机构：
[1] Kuban State Univ, Krasnodar, Russia
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2000年 / 12卷 / 12期
关键词：
D O I：
10.1088/0953-8984/12/12/101
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The Yb radiative lifetime of 923 mu s has been determined by the extrapolation to the zero concentration of Yb. Quenching of the Yb luminescence is observed in the Yb3+,Ce3+:CaGd4Si3O13 (Yb,Ce:CGS) crystals due to their intrinsic defects and Ce3+ ions. The main quenching mechanism is the energy migration through Yb ions to the defects with a micro-parameter C-DD(Yb-Yb) = 1.0 x 10(-38) cm(6) s(-1), and the Yb3+ --> Ce3+ energy transfer with a micro-parameter C-DA = 5.5 x 10(-44) cm(6) s(-1).
引用
收藏
页码：L211 / L215
页数：5
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