Evolution of a Dust Void in a Radio-Frequency Plasma Sheath

R. P. Dahiya, G. V. Paeva, W. W. Stoffels, E. Stoffels, G. M.W. Kroesen, K. Avinash, A. Bhattacharjee

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

The onset and growth of a dust void are investigated in a radio-frequency (rf) sheath of a capacitively coupled argon plasma. A circularly symmetric void emerges and grows with increasing rf power and pressure in the central region of the dust cloud levitating in the sheath. Experimental measurements of the void diameter are compared with the predictions of a simple phenomenological theory, based on a balance of forces on dust grains.

Original languageEnglish (US)
JournalPhysical review letters
Volume89
Issue number12
DOIs
StatePublished - Jan 1 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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