Exact and moment equation modelling of electron transport in submicron structures

Bernardus J. Geurts, Maziar Nekovee, Henk M.J. Boots, Martin F.H. Schuurmans

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Abstract

We compare I‐Vcharacteristics of a semiconducting submicron n + nn + diode as predicted by extended moment equation approximations to those obtained from the solution of the corresponding Boltzmann equation. All lower order models fail in the predominantly ballistic regime. Moreover, the conductance is inadequately predicted by these models, even in nonballistic cases due to the high build‐in electric fields.
Original languageEnglish
Pages (from-to)1743-1745
Number of pages3
JournalApplied physics letters
Volume59
Issue number14
DOIs
Publication statusPublished - 1991

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