Electronic, vibrational and configurational relaxation of the F-H(OH-) center

被引：2
|
作者：
Gustin, E
Leblans, M
Bouwen, A
Schoemaker, D
机构：
来源：
PROCEEDINGS OF THE 13TH INTERNATIONAL CONFERENCE ON DEFECTS IN INSULATING MATERIALS - ICDIM 96 | 1997年 / 239-卷
关键词：
F-center; aggregate centers; energy transfer; radiationless relaxation; F-CENTER LUMINESCENCE; MOLECULAR DEFECTS; ALKALI-HALIDES;
D O I：
10.4028/www.scientific.net/MSF.239-241.465
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The relaxation after optical excitation of F-H(OH-) centers in alkali halides is studied with a technique for time-resolved induced transparency measurements. A fast electronic relaxation, within a few picoseconds, is observed. A slower, strongly temperature-dependent component is identified as the restoration of thermal equilibrium between the configurations of the F-H center A third component is attributed to the vibrational relaxation of the OH- stretch vibration, which is excited by E-V energy transfer during the electronic relaxation.
引用
收藏
页码：465 / 468
页数：4
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