Soviet Physics Journal

, Volume 25, Issue 4, pp 348–351 | Cite as

A non-self-consistent electron-beam controlled discharge in methane

  • A. M. Efremov
  • B. M. Koval'chuk


The use of methane in a non-self-consistent discharge controlled by an electron beam permits obtaining high discharge currents for relatively low electric fields. The current gain is 103for 500 V/cm fields and a 14 mA/cm2 injection current density. For fields greater than 7–8 kV/cm and atmospheric pressure, punch-through of the gas discharge gap occurs. It is shown that a breakpoint in the CVC in the area of low currents is associated with the appearance of spots on the cathode. A domain Instability, related to the nonmonotonic dependence of the drift velocity on the reduced field in methane, is detected.


Methane Electron Beam Control Discharge Discharge Current Drift Velocity 
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Copyright information

© Plenum Publishing Corporation 1982

Authors and Affiliations

  • A. M. Efremov
    • 1
  • B. M. Koval'chuk
    • 1
  1. 1.Institute of High-Current Electronics, Siberian BranchAcademy of Sciences of the USSRUSSR

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