Physics
Scientific paper
Oct 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..799...88a&link_type=abstract
NEW VISTAS IN DUSTY PLASMAS: Fourth International Conference on the Physics of Dusty Plasmas. AIP Conference Proceedings, Volum
Physics
Dusty Plasmas, Plasma-Wall Interactions, Sputtering, Glow Discharges, Tokamak Devices, Dusty Or Complex Plasmas, Plasma Crystals, Plasma-Material Interactions, Boundary Layer Effects, Tokamaks, Spherical Tokamaks
Scientific paper
The physical erosion of the Tokamak inside walls can have an important incidence on the dust particulate production. Sputtering discharges are proposed to have highlight on the dust growth mechanisms from carbon atom or clusters injected in plasmas. Their condensation give rise to solid particulate precursors which nature depends strongly on the plasma parameters. A comparison between the carbon structure of dust particles produced in sputtering discharges and of a dust sample collected in the Tore Supra Tokamak is proposed, the sputtering process being the dominant wall erosion in the present mode of operation of this fusion device. The structural differences are discussed and can be correlated to specific plasma situations.
Arnas Cécile
Brosset Ch.
Dominici Christian
Dominique Claire
Martin Chris
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