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Title: Electron heating in radio-frequency capacitively coupled atmospheric-pressure plasmas
Authors: Liu, D.W.
Iza, Felipe
Kong, Michael G.
Keywords: Electron avalanches
Plasma ohmic heating
Plasma radiofrequency heating
Plasma sheaths
Issue Date: 2008
Publisher: © American Institute of Physics
Citation: LIU, D.W., IZA, F. and KONG, M.G., 2008. Electron heating in radio-frequency capacitively coupled atmospheric-pressure plasmas. Applied Physics Letters, 93(26), article 261503, pp.1-3.
Abstract: In atmospheric-pressure plasmas the main electron heating mechanism is Ohmic heating, which has distinct spatial and temporal evolutions in the α and γ modes. In γ discharges, ionizing avalanches in the sheaths are initiated not only by secondary electrons but also by metastable pooling reactions. In α discharges, heating takes place at the sheath edges and in contrast with low-pressure plasmas, close to 50% of the power absorbed by the electrons is absorbed at the edge of the retreating sheaths. This heating is due to a field enhancement caused by the large collisionality in atmospheric-pressure discharges.
Description: Copyright 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the authors and the American Institute of Physics. This article appeared in the journal, Applied Physics Letters, and may be found at: http://link.aip.org/link/?APPLAB/93/261503/1
Version: Published
DOI: 10.1063/1.3058686
URI: https://dspace.lboro.ac.uk/2134/5212
ISSN: 0003-6951
1077-3118
Appears in Collections:Published Articles (Electronic, Electrical and Systems Engineering)

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