Combined exciton-electron transitions in a quantum well with low-dense two-dimensional electron gas

被引：0
|
作者：
Kochereshko, VP
Suris, RA
Yakovlev, DR
Platonov, AV
Ossau, W
Waag, A
Landwehr, G
Bassani, F
Cox, RT
Christiansen, PCM
Maan, JC
机构：
[1] UNIV WURZBURG, INST PHYS, D-97074 WURZBURG, GERMANY
[2] SPECTROMETRIE PHYS LAB, F-38054 GRENOBLE, FRANCE
[3] CEA, F-38054 GRENOBLE, FRANCE
[4] CATHOLIC UNIV NIJMEGEN, HIGH FIELD MAGNET LAB, NL-6525 ED NIJMEGEN, NETHERLANDS
[5] CATHOLIC UNIV NIJMEGEN, MAT RES INST, NL-6525 ED NIJMEGEN, NETHERLANDS
来源：
COMPOUND SEMICONDUCTORS 1996 | 1997年 / 155期
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A combined exciton-cyclotron resonance line is found in photoluminescence excitation and reflectivity spectra of semiconductor quantum wells with electron gas of low density, This line appears in a magnetic field due to the combine transition when an incident photon creates an exciton in the ground state and simultaneously excites an electron between Landau levels. An inelastic process of exciton-electron scattering is found in quantum wells under external magnetic fields. The process is spin-dependent and is determined by the exchange interaction of excitons with free electrons. A theoretical model is developed to describe these effects.
引用
收藏
页码：717 / 720
页数：4
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