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题名: Self-sustained oscillations caused by magnetic field in a weakly-coupled GaAs/AlAs superlattice
作者: Sun BQ;  Wang JN;  Jiang DS;  Wu JQ;  Wang YQ;  Ge WK
出版日期: 2000
会议日期: JUN 21-25, 1999
摘要: We have investigated the influence of transverse magnetic field B up to 14 T at 1.6 K on the tunneling processes of electric field domains in doped weakly coupled GaAs/AlAs superlattices. Three regimes, i.e, stable field domains, current self-sustained oscillations and averaged field distribution are successively observed with increasing B. The mechanisms of switching-over among these regimes are due to B-induced modification of the dependence of the effective electron drift velocity on electric field. The simulated calculation gives a good agreement with the observed experimental results. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
会议名称: 5th International Conference on the Electrical Transport and Optical Properties of Inhomogeneous Media (ETOPIM5)
KOS主题词: Transverse Magnetic-Field;  Semiconductors
会议文集: PHYSICA B, 279 (1-3)
专题: 中国科学院半导体研究所(2009年前)_会议论文

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推荐引用方式:
Sun BQ; Wang JN; Jiang DS; Wu JQ; Wang YQ; Ge WK .Self-sustained oscillations caused by magnetic field in a weakly-coupled GaAs/AlAs superlattice .见:ELSEVIER SCIENCE BV .PHYSICA B, 279 (1-3),PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS ,2000,220-223
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