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Quantum effects in the electronic conductivity of lateral superlattices

Petit, Florent and Hayne, M and Lelarge, F and Etienne, B (1998) Quantum effects in the electronic conductivity of lateral superlattices. Physica B: Condensed Matter, 251. pp. 922-926. ISSN 0921-4526

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Abstract

We report a Boltzmann analysis of transport measurements performed on quasi two-dimensional (2D) electron gases with strong in-plane periodic modulation at a short length scale. The quantum scattering anisotropy induced by the periodic potential is included in the calculation and is shown to play an important role in the low-temperature electrical anisotropy. Furthermore, under these conditions the conductivity along the unperturbed direction is no longer given by the Drude formula but is enhanced because of a strong inhibition of the relaxation rate.

Item Type: Article
Journal or Publication Title: Physica B: Condensed Matter
Uncontrolled Keywords: GaAs/AlGaAs heterostructures ; lateral superlattices ; electrical conductivity ; MAGNETORESISTANCE ; GAS
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 50975
Deposited By: ep_importer_pure
Deposited On: 10 Nov 2011 09:26
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 19:45
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/50975

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