Eur. Phys. J. Appl. Phys.
Volume 49, Number 1, January 2010
|Number of page(s)||8|
|Section||Plasma, Discharges and Processes|
|Published online||11 December 2009|
Theory and application of plasma diode equilibria with beam electrons and a fixed particle background of negative charge
Ioffe Physical-Technical Institute, St. Petersburg, Russia
2 Physikalisches Institut, Universität Bayreuth, Bayreuth, Germany
Corresponding author: email@example.com
Revised: 17 September 2009
Accepted: 28 October 2009
Published online: 11 December 2009
The effect of a uniformly distributed, immobile, charged particle background on the stationary states of a plasma diode with beam electrons is studied. Whereas a positively charged particle background results in an increase of the space-charge limit of the electron current across the diode and brings in new branches of equilibria, a negatively charged background decreases the current up to zero current level due to a complete reflection of beam electrons within the diode region. This effect can be used for the design of fast switches.
PACS: 52.75.Kq – Plasma switches / 85.45.-w – Vacuum microelectronics / 29.27.Bd – Beam dynamics; collective effects and instabilities / 52.65.Ff – Fokker-Planck and Vlasov equation / 52.27.Jt – Nonneutral plasmas
© EDP Sciences, 2009
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