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Abstract— <p>A model of the cathode layer of a glow gas discharge with a thin dielectric film on a fraction of the cathode’s working surface is formulated. It is shown that a glow discharge most rapidly transits to an arc discharge, accompanied by a significant increase in discharge current density and a decrease in cathode voltage drop, if the film occupies approximately half of the cathode surface.</p>

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Modeling of Influence of a Thin Dielectric Film at a Fraction of Cathode Surface on Transition of a Glow Gas Discharge into an Arc Discharge

  • 期刊论文

  • 发表日期：

    2026年4月1日

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  • G. G. Bondarenko,
  • M. R. Fisher,
  • V. I. Kristya

摘要

Abstract—

A model of the cathode layer of a glow gas discharge with a thin dielectric film on a fraction of the cathode’s working surface is formulated. It is shown that a glow discharge most rapidly transits to an arc discharge, accompanied by a significant increase in discharge current density and a decrease in cathode voltage drop, if the film occupies approximately half of the cathode surface.