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Negative differential resistance and the transition to current self-oscillation in GaAs/AlAs superlattices

Authors Wang, Jiannong View this author's profile
Sun, Bao-Quan
Wang, Xiang-Rong View this author's profile
Wang, HL
Issue Date 1999
Source Solid state communications , v. 112, (7), 1999, p. 371-374
Summary We investigate the transition from static to dynamic electric field domains in a doped GaAs/AlAs superlattice. We show that a transverse magnetic field and/or the temperature can induce current self-oscillations. This observation can be attributed to the negative differential resistance effect. Transverse magnetic field and the temperature can increase the negative differential resistance of a doped superlattice. A large negative differential resistance can lead to an unstable electric field domain in a certain range of de bias.
ISSN 0038-1098
Rights Solid State Communications © copyright 1999 Elsevier. The Journal's web site is located at
Language English
Format Article
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