Decay time of polaron photoluminescence in congruent lithium niobate

被引：24
|
作者：
Harhira, A. [1 ]
Guillbert, L. [1 ]
Bourson, P. [1 ]
Rinnert, H. [2 ]
机构：
[1] Univ Metz & Supelec, Lab Mat Opt Photon & Syst, UMR 7132, CNRS, 2,Rue E Belin, F-57070 Metz, France
[2] CNRS, UMR, Phys Mat Lab, F-7556 Nancy, France
来源：
PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 4, NO 3 | 2007年 / 4卷 / 03期
关键词：
D O I：
10.1002/pssc.200673755
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The intensity, the peak wavelength and the decay time of polaron photoluminescence in congruent lithium niobate are measured versus temperature from 77 K to 290 K. The radiative relaxation shows quasi athermal behaviour (tau(R) approximate to 9 mu s) whereas the nonradiative relaxation follows arrhenius law with activation energy of 220 meV. The crossing point between radiative and nonradiative lifetimes is about 210 K. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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页码：926 / +
页数：2
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