Dusty Plasma

Plasma Physics Reports

, Volume 35, Issue 3, pp 191-199

First online:

Coagulation of dust grains in the plasma of an RF discharge in argon

  • Yu. A. MankelevichAffiliated withSkobeltsyn Institute of Nuclear Physics, Moscow State University
  • , M. A. OlevanovAffiliated withSkobeltsyn Institute of Nuclear Physics, Moscow State University
  • , A. F. Pal’Affiliated withSkobeltsyn Institute of Nuclear Physics, Moscow State University
  • , T. V. RakhimovaAffiliated withSkobeltsyn Institute of Nuclear Physics, Moscow State University
  • , A. N. RyabinkinAffiliated withSkobeltsyn Institute of Nuclear Physics, Moscow State University
  • , A. O. SerovAffiliated withSkobeltsyn Institute of Nuclear Physics, Moscow State University
  • , A. V. FilippovAffiliated withTroitsk Institute for Innovation and Fusion Research

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Abstract

Results are presented from experimental studies of coagulation of dust grains of different sizes injected into a low-temperature plasma of an RF discharge in argon. A theoretical model describing the formation of dust clusters in a low-temperature plasma is developed and applied to interpret the results of experiments on the coagulation of dust grains having large negative charges. The grain size at which coagulation under the given plasma conditions is possible is estimated using the developed theory. The theoretical results are compared with the experimental data.

PACS numbers

52.65.-y 52.27.Lw