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

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Abstract

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.

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Authors and Affiliations

  1. Institute of High-Current Electronics, Siberian Branch, Academy of Sciences of the USSR, USSR

    A. M. Efremov & B. M. Koval'chuk

Authors
  1. A. M. Efremov
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  2. B. M. Koval'chuk
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 65–68, April, 1982.

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Efremov, A.M., Koval'chuk, B.M. A non-self-consistent electron-beam controlled discharge in methane. Soviet Physics Journal 25, 348–351 (1982). https://doi.org/10.1007/BF00906209

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  • DOI: https://doi.org/10.1007/BF00906209

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