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|Title: ||Electron avalanches and diffused γ-mode in radio-frequency capacitively coupled atmospheric-pressure microplasmas|
|Authors: ||Liu, D.W.|
Kong, Michael G.
|Keywords: ||Electron avalanches|
|Issue Date: ||2009|
|Publisher: ||© American Institute of Physics|
|Citation: ||LIU, D.W., IZA, F. and KONG, M.G., 2009. Electron avalanches and diffused γ-mode in radio-frequency capacitively coupled atmospheric-pressure microplasmas. Applied Physics Letters, 95 (3), article 031501, pp.1-3.|
|Abstract: ||Space-, time- and wavelength-resolved optical emission profiles suggest that the helium emission at 706 nm can be used to indicate the presence of high energy electrons and estimate the sheath in helium rf discharges containing small concentration of air impurities. Furthermore, the experimental data supports the theoretical predictions of energetic electron avalanches transiting across the discharge gap in rf microdischarges and the absence of an α-mode. Nonetheless, microdischarges sustained between bare metal electrodes and operating in the γ-mode can produce diffuse glowlike discharges rather than the typical radially constricted plasmas observed in millimeter-size rf atmospheric-pressure γ discharges.|
|Description: ||Copyright 2009 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/95/031501/1|
|Appears in Collections:||Published Articles (Mechanical, Electrical and Manufacturing Engineering)|
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