Lateral superlattices on parabolic quantum wells -: art. no. 165317

被引：6
|
作者：
Lindemann, S [1 ]
Bänninger, M
Ihn, T
Heinzel, T
Ulloa, SE
Ensslin, K
Maranowski, K
Gossard, AC
机构：
[1] Swiss Fed Inst Technol, Solid State Phys Lab, CH-8093 Zurich, Switzerland
[2] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA
来源：
PHYSICAL REVIEW B | 2002年 / 66卷 / 16期
关键词：
D O I：
10.1103/PhysRevB.66.165317
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lateral superlattices have been fabricated on AlGaAs parabolic quantum wells. Two electrical subbands occupied in the growth direction lead to two sets of classical commensurability oscillations, each characterized by a different Fermi velocity. The dominant features can be explained by combining quantum-mechanical subband occupation and classical commensurability oscillations. The potential modulation of the lateral superlattice can be tuned by the nanopatterned top gate as well as by a back gate electrode.
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页码：1 / 5
页数：5
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