HOPPING ELECTRICAL CONDUCTION IN STRONG ELECTRIC FIELDS - ANUMERICAL MACHINE EXPERIMENT.

E. I. LEVIN, V. L. NUGEN, B. I. SHKLOVSKII

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

HOPPING ELECTRICAL CONDUCTION VIA RANDOMLY ARRANGED DONORS WAS SIMULATED ON A COMPUTER BY THE MONTE CARLO METHOD. CURRENT-VOLTAGE CHARACTERISTICS WERE INVESTIGATED OVER A WIDE RANGE OF ELECTRIC FIELDS. IT IS SHOWN THAT THE CHARACTERISTICS ARE SUBLINEAR AT FAIRLY HIGH TEMPERATURES KT > 0. 1 ″DELTA″ , WHERE ″DELTA″ IS THE IMPURITY BAND WIDTH, AND IN SUFFICIENTLY STRONG FIELDS THERE IS NEGATIVE DIFFERENTIAL CONDUCTIVITY. AS THE TEMPERATURE FALLS, IN NOT VERY STRONG FIELDS, THE CHARACTERISTIC ACQUIRES AN EXTENSIVE SUPERLINEAR SECTION. THESE RESULTS ARE QUALITATIVELY IN AGREEMENT WITH EXPERIMENTALFINDINGS. 12 REFS

Original languageEnglish (US)
Pages (from-to)523-527
Number of pages5
JournalSov Phys Semicond
VolumeV 16
Issue numberN 5
StatePublished - Jan 1 1982

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