Plasma Emission Modifications and Instabilities Induced by the Presence of Growing Dust Particles

Maxime Mikikian (1) , Lénaïc Couëdel (1) , Marjorie Cavarroc (1) , Yves Tessier (1) , Laifa Boufendi (1)

1 GREMI - Groupe de recherches sur l'énergétique des milieux ionisés

Formation of dust particles in a plasma can strongly change its properties due to electron attachment on dust surface. An easy way to detect dust formation is to analyze modifications of the plasma emission. In this paper, changes in the plasma emission are related to the growth of dust particles. We particularly show that dust formation induces low-frequency plasma instabilities. Another interesting induced effect is the formation of an enhanced emission region which is dust free and usually named “void.”

Mots clés: Complex plasma; Dust particle growth; Dusty plasma; Instabilities; Oscillations; Plasma emission; Void

Domaines: Plasmas; Physique des plasmas [physics.plasm-ph]

Maxime Mikikian, Lénaïc Couëdel, Marjorie Cavarroc, Yves Tessier, Laifa Boufendi. Plasma Emission Modifications and Instabilities Induced by the Presence of Growing Dust Particles. IEEE Transactions on Plasma Science, 2008, 36 (4), pp.1012. ⟨10.1109/TPS.2008.920946⟩. ⟨hal-00312626⟩