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Effect of cathode surface state on the characteristics of pulsed hollow-cathode glow discharges

  • Gas Discharges, Plasmas
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Abstract

A study is made of the effect of pulse repetition rate (0.1−103 s−1) and average discharge current (0–1 A) on the breakdown delay time and burning voltage of low-pressure glow discharges (p<0.1 Pa) in an electrode system of the reverse magnetron type with a large cathode surface area (≈103 cm2). It is shown that increasing the repetition rate leads to a many-fold reduction in the statistical spread in the delay time and in the discharge formation time, while the average discharge current has a significant effect on the burning voltage. The mechanism for the observed phenomena is interpreted qualitatively in terms of the presence of thin dielectric films on the cathode surface.

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Authors and Affiliations

  1. Institute of Electrophysics, Urals Branch of the Russian Academy of Sciences, 620049, Ekaterinburg, Russia

    N. V. Gavrilov & S. E. Romanov

Authors
  1. N. V. Gavrilov
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  2. S. E. Romanov
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Zh. Tekh. Fiz. 69, 20–24 (May 1999)

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Gavrilov, N.V., Romanov, S.E. Effect of cathode surface state on the characteristics of pulsed hollow-cathode glow discharges. Tech. Phys. 44, 497–500 (1999). https://doi.org/10.1134/1.1259372

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  • DOI: https://doi.org/10.1134/1.1259372

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