Dynamic behavior of polydisperse dust system in cryogenic gas discharge complex plasmas

S.N. Antipov, L.P.T. Schepers, M.M. Vasiliev, O.F. Petrov

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Abstract

Complex (dusty) plasmas of micron-sized CeO2 polydisperse particles in dc glow discharges at 77 and ∼ 10 K were experimentally investigated. It was obtained that dust structure in cryogenic gas discharge plasma can be a mixture of two fractions (components) with completely different dust ordering and dynamics. We observed under some specific conditions that fast-moving particles of one component diffuse through another component consisted of dust particles arranged in linear chains (strings). From experimental data analysis particle velocity distribution functions for each dust component were obtained. The possible nature of two-component dust structure formation was discussed.

Original languageEnglish
Pages (from-to)296-301
Number of pages6
JournalContributions to Plasma Physics
Volume56
Issue number3-4
DOIs
Publication statusPublished - 26 Apr 2016
Event15th International Conference on the Physics of Non-Ideal Plasmas (PNP 2015) - Almaty, Kazakhstan
Duration: 30 Aug 20154 Sep 2015
http://www.pnp15.kz/

Bibliographical note

Special Issue: 15th International Conference on the Physics of Non-Ideal Plasmas

Keywords

  • Binary systems
  • Cryogenic temperatures
  • Dusty plasma
  • Gas discharge

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