DYNAMICS AND KINETICS OF CARRIER SYSTEM IN PHOTOEXCITED GE AND SI OBSERVED BY OPTICALLY DETECTED CYCLOTRON-RESONANCE

被引：7
|
作者：
TOMARU, T
OHYAMA, T
OTSUKA, E
机构：
[1] Department Of Physics, College of General Education, Osaka University, Toyonaka
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1992年 / 61卷 / 05期
关键词：
OPTICALLY DETECTED CYCLOTRON RESONANCE (ODCR); HOT CARRIER; FREE EXCITON; DONOR-BOUND EXCITON; ACCEPTOR-BOUND EXCITON; BOUND MULTIEXCITON COMPLEX; ELECTRON-HOLE DROPLET (EHD); IMPACT DISSOCIATION;
D O I：
10.1143/JPSJ.61.1798
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have observed optically detected cyclotron resonance (ODCR) in Ge and Si. Complicated but outstanding signals have been observed in As-doped Ge. They are explained on the basis of our results obtained earlier. As for Si, kinetics of a system consisting of free carriers, free and bound excitons, bound multiexciton complexes and electron-hole droplets under cyclotron resonance condition is analyzed by means of rate equations, together with "effective temperature" introduced. Besides, the change in photoluminescence spectrum caused by cyclotron resonance is compared with that caused by DC electric field, where a new advantage of ODCR is found.
引用
收藏
页码：1798 / 1816
页数：19
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