Fine-particle clouds controlled in a dc discharge plasma

G. Uchida, S. Iizuka, N. Sato

研究成果: Article

11 引用 (Scopus)

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The spatial shape of fine-particle clouds in a strongly coupled state is controlled by varying a radial potential profile provided by radially segmented electrode for particle levitation and confinement under a completely dc configuration. Fine-particle clouds change their shapes from a usual two-dimensional disk to a three-dimensional cone, and finally concave cone with an increase in the radial potential slope. These profiles are closely related to an axial variation of the radial potential profile in the ion sheath above the segmented electrode. When we apply to the segmented electrode a potential profile with peaks between the radial center and edge, fine particles are rearranged to form azimuthal rings on the horizontal plane. The radial width of the rings is controlled by changing the peak width of the radial potential profile.

元の言語English
ページ(範囲)274-278
ページ数5
ジャーナルIEEE Transactions on Plasma Science
29
発行部数2 I
DOI
出版物ステータスPublished - 2001 4 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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