Magnetic-Field-Induced Suppression of Electronic Conduction in a Superlattice

A. Patanè, N. Mori, D. Fowler, L. Eaves, M. Henini, D. K. Maude, C. Hamaguchi, and R. Airey
Phys. Rev. Lett. 93, 146801 – Published 29 September 2004

Abstract

We use a magnetic field applied along the axis of a semiconductor superlattice (SL) as a controllable means of creating a one-dimensional band structure. We demonstrate that the current flow through the SL is strongly suppressed when the electron motion perpendicular to the SL axis is strongly confined by the quantizing magnetic field. By modeling this behavior using semiclassical and nonequilibrium Green's function methods, we show that the observed quenching arises from a qualitative change in electron dynamics caused by increasing quantum confinement.

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  • Received 4 March 2004

DOI:https://doi.org/10.1103/PhysRevLett.93.146801

©2004 American Physical Society

Authors & Affiliations

A. Patanè1,*, N. Mori2, D. Fowler1, L. Eaves1, M. Henini1, D. K. Maude3, C. Hamaguchi2, and R. Airey4

  • 1School of Physics and Astronomy, University of Nottingham, NG7 2RD, United Kingdom
  • 2Department of Electronic Engineering, Osaka University, Suita City, Osaka 565-0871, Japan
  • 3Grenoble High Magnetic Field Laboratory, MPI-CNRS, F-38042 Grenoble, France
  • 4Department of Electronic and Electrical Engineering, University of Sheffield, S3 3JD Sheffield, United Kingdom

  • *Electronic address: Amalia.Patane@nottingham.ac.uk

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Vol. 93, Iss. 14 — 1 October 2004

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