Negative differential conductivity of low density electron gas in random potential

E. I. Levin; B. I. Shklovskii

doi:10.1016/0038-1098(88)90607-2

Negative differential conductivity of low density electron gas in random potential

E. I. Levin, B. I. Shklovskii

Physics and Astronomy (Twin Cities)

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30 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 language	English (US)
Pages (from-to)	233-237
Number of pages	5
Journal	Solid State Communications
Volume	67
Issue number	3
DOIs	https://doi.org/10.1016/0038-1098(88)90607-2
State	Published - Jul 1988

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title = "Negative differential conductivity of low density electron gas in random potential",

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.",

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AU - Shklovskii, B. I.

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AB - 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.

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Negative differential conductivity of low density electron gas in random potential

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