NONOHMIC HOPPING CONDUCTION.

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Abstract

A theory of nonohmic hopping conducting is developed for moderately strong electric fields E. A deviation from Ohm's law is predicted for a field E approximately equals E//c identical kT/eL//0, where L//0 equals l(T) zeta **v//c is the correlation radius of a critical hopping-conduction subnetwork, l(T) is the characteristic jump length, zeta //c is the argument of the exponential function in the expression for the ohmic electrical conductivity, and v approximately equals 0. 9 is the critical index of the correlation radius. A current-voltage characteristic obtained for fields E greater than E//c is of the form j(E equals sigma (T)E//c exp(eEL//0/kT)**1**/**(**1** plus **v**) and it differs considerably from the results obtained by other authors.

Original languageEnglish (US)
Pages (from-to)855-860
Number of pages6
JournalSOV PHYS SEMICOND
Volume10
Issue number8
StatePublished - Jan 1 1976
Externally publishedYes

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