NEGATIVELY CHARGED EXCITONS X- IN THE ELECTRON-GAS IN CDTE/CD1-XZNXTE QUANTUM-WELLS

被引：14
作者：
KHENG, K
COX, RT
DAUBIGNE, YM
MAMOR, M
MAGNEA, N
MARIETTE, H
SAMINADAYAR, K
TATARENKO, S
机构：
[1] CEA,DEPT RECH FONDAMENTALE MAT CONDENSEE,BP 85X,F-38041 GRENOBLE,FRANCE
[2] UNIV J FOURIER,CNRS,SPECT PHYS LAB,F-38402 ST MARTIN DHERES,FRANCE
来源：
SURFACE SCIENCE | 1994年 / 305卷 / 1-3期
关键词：
D O I：
10.1016/0039-6028(94)90889-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Negatively charged excitons (two electrons bound to one hole), X-, are identified for the first time in semiconductor quantum wells. The optical transition corresponding to creation of X- is identified approximately 3 meV below the free exciton line X in the magneto-transmission spectra of CdTe/Cd1-xZnxTe quantum well heterostructures in which a dilute electron gas has been produced either by optical excitation or by modulation doping.
引用
收藏
页码：225 / 229
页数：5
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