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Nonequilibrium phenomena in adjacent electrically isolated nanostructures

Khrapai, V. S. ; Ludwig, Stefan ; Kotthaus, Jörg P. ; Tranitz, Hans-Peter ; Wegscheider, Werner
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Date of publication of this fulltext: 01 Feb 2010 13:04


Abstract

We report on nonequilibrium interaction phenomena between adjacent but electrostatically separated nanostructures in GaAs. A current flowing in one externally biased nanostructure causes an excitation of electrons in a circuit of a second nanostructure. As a result we observe a dc current generated in the unbiased second nanostructure. The results can be qualitatively explained in terms of acoustic phonon based energy transfer between the two mutually isolated circuits.


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