ANOMALOUS CYCLOTRON-RESONANCE LINE SPLITTING OF 2-DIMENSIONAL HOLES IN (311)A ALXGA1-XAS/GAAS HETEROJUNCTIONS

被引：27
作者：
HIRAKAWA, K
ZHAO, Y
SANTOS, MB
SHAYEGAN, M
TSUI, DC
机构：
[1] Department of Electrical Engineering, Princeton University, Princeton
来源：
PHYSICAL REVIEW B | 1993年 / 47卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.47.4076
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have studied the far-infrared cyclotron resonance (CR) of high-mobility two-dimensional holes in AlxGa1-xAs/GaAs single interface heterojunctions grown on (311) A GaAs substrates. An anomalous anticrossing behavior was observed in the CR spectra for Landau-level filling factor nu < 1. By comparing the CR spectra with the intersubband transition spectra measured at zero magnetic field, we have successfully identified the anomalous CR line splitting as a crossing of the Landau levels associated with the heavy-hole and light-hole subbands.
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页码：4076 / 4079
页数：4
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