A study of miniband conduction in Wannier-Stark superlattices at high magnetic fields

H. M. Murphy, A. Nogaret, S. T. Stoddart, L. Eaves, P. C. Main, M. Henini, D. K. Maude, N. Mori, J-C. Portal, C. Hamaguchi

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Abstract

We investigate dc miniband transport in undoped GaAs/AlxGa1−xAs superlattices. High magnetic fields are applied to the samples in the growth direction at low temperature. A strong suppression of miniband conduction is observed under these conditions. We propose a qualitative semi-classical Drude model that can explain the observed results.
Original languageEnglish
Pages (from-to)544-547
JournalPhysica B: Condensed Matter
Volume256-258
DOIs
Publication statusPublished - 2 Dec 1998

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Murphy, H. M., Nogaret, A., Stoddart, S. T., Eaves, L., Main, P. C., Henini, M., ... Hamaguchi, C. (1998). A study of miniband conduction in Wannier-Stark superlattices at high magnetic fields. Physica B: Condensed Matter, 256-258, 544-547. https://doi.org/10.1016/S0921-4526(98)00537-7