ANISOTROPY OF THE CONFINED HOLE STATES IN A (311) A ALAS/GAAS/ALAS QUANTUM-WELL SYSTEM - EVIDENCE FOR A CAMELS-BACK BAND-STRUCTURE

被引：22

作者：

HAYDEN, RK

VALADARES, EC

HENINI, M

EAVES, L

MAUDE, DK

PORTAL, JC

机构：

[1] CNRS, SERV NATL CHAMPS INTENSES, F-38042 GRENOBLE, FRANCE

[2] INST NATL SCI APPL, PHYS SOLIDES LAB, F-31077 TOULOUSE, FRANCE

来源：

PHYSICAL REVIEW B | 1992年 / 46卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.46.15586

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic fields applied parallel to the layer interfaces are used to examine the in-plane energy-band dispersion and anisotropy of the quantum-well states of a double-barrier AlAs/GaAs/AlAs resonant-tunneling diode grown on a (311)A-oriented substrate. The measurements reveal biaxial anisotropy in several of the subbands, some of which have a ''camel's-back''-shaped structure. These features are confirmed by a six-component envelope-function calculation of the subbands of a (311) valence-band quantum well.

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页码：15586 / 15589

页数：4

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