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Influence of ion temperature on plasma sheath transition

Published online by Cambridge University Press:  13 October 2009

HAMID GHOMI  and
MANSOUR KHORAMABADI
HAMID GHOMI
Affiliation:
Laser and Plasma Research Institute, Shahid Beheshti University, Evin 1983963113, Tehran, Iran ([email protected])
MANSOUR KHORAMABADI
Affiliation:
Plasma Physics Research Center, Science and Research Campus of Islamic Azad University, P.O. Box: 14665-678, Tehran, Iran ([email protected])
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Abstract

Using a two-fluid model, the ion transition from plasma sheath boundary is investigated taking into account the effect of the finite ion temperature. It is shown that by considering the effects of neutral-ion elastic collision on the sheath, there will be an upper as well as a lower limit for the ion transition velocity into the sheath. The dependency of upper and lower limits of the ion transition velocity on the ion temperature is investigated, and it is shown that the finite ion temperature only affects lower limits in non-hot plasmas.

Type
Papers
Information
Journal of Plasma Physics , Volume 76 , Issue 2 , April 2010 , pp. 247 - 255
Copyright
Copyright © Cambridge University Press 2009

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