PICOSECOND GROUND-STATE RECOVERY OF THE F-CENTER IN RBCL, KCL AND KBR

被引：0
|
作者：
DEKINDER, J [1 ]
WIM, JS [1 ]
SCHOEMAKER, D [1 ]
机构：
[1] FOM,INST ATOM & MOLEC PHYS,1098 SJ AMSTERDAM,NETHERLANDS
来源：
RADIATION EFFECTS AND DEFECTS IN SOLIDS | 1991年 / 119卷
关键词：
D O I：
10.1080/10420159108224903
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Optical pump-probe measurements on the F-center in RbCl, KC1 and KBr show a ps ground state recovery, when a substantial number of F-aggregates is present. The observed de-excitation process becomes faster for a larger concentration of aggregate centers and is related to energy transfer from the excited state of the F-center to aggregate centers. This energy transfer occurs towards F2- and N-centers in KC1. Our results are in accordance with measurements of the quantum efficiency of the F-center luminescence and with transient absorption measurements. © 1991, Taylor & Francis Group, LLC. All rights reserved.
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页码：369 / 374
页数：6
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