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Miniband transport in vertical superlattice field effect transistors

DOI to cite this document:
Deutschmann, R. A. ; Wegscheider, Werner ; Rother, Martin ; Bichler, Max ; Abstreiter, Gerhard
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Date of publication of this fulltext: 07 Dec 2009 13:02


The non-equilibrium transport of electrons confined at an atomically sharp interface and subject to a periodic potential is studied. We find a pronounced negative differential resistance, the magnitude of which increases with increasing modulation strength. The data is qualitatively consistent with the Esaki–Tsu transport model. We emphasize the significance of the two-dimensionality of the ...


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