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Specific Features of the I–V Characteristics and High-Efficiency Electron-Beam Generation in a Continuous Open Discharge

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Abstract

The main features of a continuous open discharge used to generate electron beams in medium-pressure gases are discussed. I–V characteristics have been investigated, current and energy efficiencies have been measured, and conditions for obtaining a high (comparable with the anode geometric transparency) energy efficiency of beam generation in helium at a pressure of 10–30 Torr and its mixtures with oxygen have been established. Fundamental differences between the investigated and anomalous discharges have been found. In particular, a Z-shaped I–V characteristic has been obtained and attributed to the modification of the role of main electron emission mechanisms with increasing voltage.

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Authors and Affiliations

  1. Rzhanov Institute of Semiconductor Physics, Russian Academy of Sciences, Siberian Branch, Novosibirsk, 630090, Russia

    P. A. Bokhan, P. P. Gugin & Dm. E. Zakrevskii

  2. Novosibirsk State Technical University, Novosibirsk, 630073, Russia

    Dm. E. Zakrevskii

Authors
  1. P. A. Bokhan
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  2. P. P. Gugin
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  3. Dm. E. Zakrevskii
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Correspondence to P. A. Bokhan.

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Original Russian Text © P.A. Bokhan, P.P. Gugin, Dm.E. Zakrevskii, 2018, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2018, Vol. 44, No. 23, pp. 96–103.

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Bokhan, P.A., Gugin, P.P. & Zakrevskii, D.E. Specific Features of the I–V Characteristics and High-Efficiency Electron-Beam Generation in a Continuous Open Discharge. Tech. Phys. Lett. 44, 1092–1095 (2018). https://doi.org/10.1134/S1063785018120180

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  • DOI: https://doi.org/10.1134/S1063785018120180

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