Negative differential conductivity of low density electron gas in random potential

E. I. Levin, B. I. Shklovskii

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

Small density electron gas in a random potential is considered. It is shown that strong electric field creates traps for electrons from fluctuations of random potential. As a result conductivity exponentially decreases with increasing electric field and negative differential conductivity (NDC) arises. This mechanism of NDC may explain some cases of recombination instability observed in strongly compensated semiconductors.

Original languageEnglish (US)
Pages (from-to)233-237
Number of pages5
JournalSolid State Communications
Volume67
Issue number3
DOIs
StatePublished - Jul 1988

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