Mesoscopic fluctuations in the current-voltage characteristic of a short sample with a hopping conductivity
Orlov A. O., Savchenko A. K.
Oscillations have been observed in the differential conductance dJ /д U in a short (2-μΐη) electron channel of a GaAs field-effect transistor upon a change in the applied voltage U. The observations are explained on the basis of a change in the "main" hop, which determines the conductivity of the sample.
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![](/ps/1095/article_16543_800_head.png "Oscillations have been observed in the differential conductance <b><i>dJ /д U </i></b>in a short <b><i>(2-μΐη</i></b>) electron channel of a GaAs field-effect transistor upon a change in the applied voltage <b><i>U. </i></b>The observations are explained on the basis of a change in the "main" hop, which determines the conductivity of the sample.")