PERSISTENT SPECTRAL HOLE-BURNING IN SEMICONDUCTOR MICROCRYSTALS

被引：19
|
作者：
MASUMOTO, Y
ZIMIN, LG
NAOE, K
OKAMOTO, S
ARAI, T
机构：
[1] UNIV TSUKUBA, INST APPL PHYS, TSUKUBA, IBARAKI 305, JAPAN
[2] BI STEPANOV PHYS INST, MINSK 220072, BELARUS
来源：
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1994年 / 27卷 / 01期
关键词：
SEMICONDUCTOR MICROCRYSTALS; CDSE; CUCL; HOLE-BURNING SPECTRA;
D O I：
10.1016/0921-5107(94)90156-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The persistent hole-burning phenomenon in nanometer-sized semiconductor microcrystals CdSe and CuCl was observed for the first time. The differential absorption spectra at 2 K consist of the narrow bleaching hole and the induced absorption which are conserved for more than 10 min after laser irradiation. The long-lived induced absorption is ascribed to the spectral antihole produced by a photophysical mechanism. It is clearly shown that the generally accepted model of inhomogeneous broadening of quantum dots cannot be used for explanation of the observed phenomenon.
引用
收藏
页码：L5 / L9
页数：5
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