Evolution of a dust void in a radio-frequency plasma sheath

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

doi:10.1103/PhysRevLett.89.125001

Evolution of a dust void in a radio-frequency plasma sheath

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

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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 language	English
Article number	125001
Pages (from-to)	125001-1/4
Number of pages	4
Journal	Physical Review Letters
Volume	89
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.89.125001
Publication status	Published - 2002

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title = "Evolution of a dust void in a radio-frequency plasma sheath",

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.",

author = "R.P. Dahiya and G.V. Paeva and W.W. Stoffels and {Stoffels - Adamowicz}, E. and G.M.W. Kroesen and K. Avinash and A. Bhattacharjee",

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AU - Dahiya, R.P.

AU - Paeva, G.V.

AU - Stoffels, W.W.

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AU - Kroesen, G.M.W.

AU - Avinash, K.

AU - Bhattacharjee, A.

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AB - 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.

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DO - 10.1103/PhysRevLett.89.125001

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SP - 125001-1/4

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JF - Physical Review Letters

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Evolution of a dust void in a radio-frequency plasma sheath

Abstract

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