Hybridization of a two-dimensional electron-hole system in InAs/GaSb quantum wells

被引：0
|
作者：
Lo, I [1 ]
Tsay, SF
Chiang, JC
Chang, YC
Tu, LW
Mitchel, WC
机构：
[1] Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung 804, Taiwan
[2] USAF, Res Lab, Wright Patterson AFB, OH 45433 USA
来源：
CHINESE JOURNAL OF PHYSICS | 2001年 / 39卷 / 05期
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D O I：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have performed Shubnikov-de Haas (SdH) measurements on Type II InAs/GaSb quantum wells with different InAs layer thickness. A "blue shift" in the SdH frequency due to the suppression of the hybridized 2D electron-hole wave functions was observed. The "blue shift" is a direct evidence for the mixing of the InAs conduction band and the GaSb valence band. The results suggest that the e-X line observed in the far-infrared cyclotron-resonance spectrum originates from the conduction-valence Landau level the mixing effect.
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页码：L387 / L392
页数：6
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