Experimental observation of multiple double layers structures in plasma - Part II: Nonconcentric multiple double layers

L. M. Ivan, G. Amarandei, M. Aflori, M. Mihai-Plugaru, C. Gaman, D. G. Dimitriu, M. Sanduloviciu

Research output: Contribution to journalArticlepeer-review

Abstract

In certain experimental conditions, in front of a positively biased electrode immersed into a diffusion plasma, a concentric multiple double layers structure can appear. If the electrode is large or asymmetric (one dimension is larger than the others), this structure appears nonconcentrically, as many spherical luminous structures attached to the electrode. Each of these structure consists of a positive nucleus (an ion-rich plasma) bordered by an electrical double layer. The structures are almost equally distributed on the electrode because of the negative external shell of the double layer.

Original languageEnglish
Pages (from-to)544-545
Number of pages2
JournalIEEE Transactions on Plasma Science
Volume33
Issue number2 I
DOIs
Publication statusPublished - Apr 2005
Externally publishedYes

Keywords

  • Anode spots
  • Multiple double layers
  • Self-organization

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