Drift velocities of electrons in time varying electric fields

Svetlan Bzenic, Zoran Lj Petrovic, Zoran M. Raspopovic, Toshiaki Makabe

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Monte Carlo simulations of electron transport have been performed in methane for time resolved rf fields under conditions where negative differential conductivity (NDC) occurs. It was found that the effect of NDC occurs for low frequencies as expected from the quasi stationary (temporally local) model. At higher frequencies the NDC disappears gradually but the NDC behavior is significantly different when field increases and when field decreases. In the latter case the NDC disappears while in the former it blends into one maximum occurring at the point of the maximum of the electric field with an intermediate frequency region with asymmetric time dependence.

Original languageEnglish
Pages (from-to)6077-6083
Number of pages7
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume38
Issue number10
Publication statusPublished - 1999 Oct

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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