Stationary Double Layers in a Collisionless Magnetoplasma

Noriyoshi Sato, Rikizo Hatakeyama, Satoru Iizuka, Tetsu Mieno, Koichi Saeki, Jens Juul Rasmussen, Poul Michelsent, Roman Schrittwieser

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)


Stationary double layers are generated in a magnetoplasma by applying potential differences between two heated plates on which the plasma is produced by surface ionization. Their potential drop (oD is varied over a wide range eoD/Te�1�2xl03 (Te :electron temperature in eV) without any influence from volume ionization of the background gas. There are always spiky fluctuations especially on the low-potential tail of the double layer. By measuring the double-layer formation process, a localized potential drop is found to be formed initially in front of the plate on the low-potential side, being accompanied with current limitation. This localized potential drop moves along the plasma column, but finally stops and results in the formation of the stationary double layer in the presence of sufficient plasma supply from the plate on the high-potential side.

Original languageEnglish
Pages (from-to)875-884
Number of pages10
Journaljournal of the physical society of japan
Issue number3
Publication statusPublished - 1983
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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