Variations in electron transport in argon with temperature near the Ramsauer-Townsend minimum

T. Makabe, T. Mori

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Abstract

A previously developed three-term expansion method has been extended to study the electron swarm in argon in the energy range of the Ramsauer-Townsend minimum. The swarm parameters of electrons have been computed at temperatures of 89.6, 293 and 1000K in the range 1*10-21<or=E/N (V cm 2)<or=1*10-17. In particular, the dependence of the drift velocity on gas temperature in the vicinity of the minimum is discussed in detail, and it is shown that a 'crossing curve' property appears. Also the validity of the conventional two-term approximation is confirmed by direct comparison with the lth-order distribution function (l=0, 1, 2) in the region of the minimum.

Original languageEnglish
Article number010
Pages (from-to)1395-1402
Number of pages8
JournalJournal of Physics D: Applied Physics
Volume15
Issue number8
DOIs
Publication statusPublished - 1982 Dec 1

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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