Commensurability oscillations on lateral surface superlattices with large periods

We present for the first time, an investigation of commensurability oscillations (COs) on lateral surface superlattice devices with large periods (1 and 2 μm). The observed values of the COs positions are compared with the predicted peaks. In forward bias clear COs are observed. It is noticed that t...

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Bibliographic Details
Published in:Thin solid films 2001-09, Vol.396 (1), p.220-225
Main Authors: Abd-El Mongy, A, Long, A.R, Belal, E, Ali, K
Format: Article
Language:English
Subjects:
Commensurability oscillations
GaAs/AlGaAs
Heterostructures
Magnetoresistance
Superlattices
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Summary:We present for the first time, an investigation of commensurability oscillations (COs) on lateral surface superlattice devices with large periods (1 and 2 μm). The observed values of the COs positions are compared with the predicted peaks. In forward bias clear COs are observed. It is noticed that the COs have a strong dominant third harmonic content. The COs are found to vanish with increasing negative bias.
ISSN:0040-6090
1879-2731
DOI:10.1016/S0040-6090(01)01231-7