Superlattice magnetophonon resonances in strongly coupled InAs GaSb superlattices

R.S. Deacon, R.J. Nicholas, P.A. Shields, A.B. Henriques

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We report an experimental study of miniband magnetoconduction in semiconducting InAs GaSb superlattices. For samples with miniband widths below the longitudinal optical phonon energy we identify a superlattice magnetophonon resonance caused by resonant scattering of electrons across the mini-Brillouin zone. This resonant feature arises directly from the superlattice dispersion and total magnetic quantization (energetic decoupling) of the superlattice Landau level minibands.
Original languageEnglish
Article number075309
JournalPhysical Review B
Issue number7
Publication statusPublished - 2007


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