Apparent secondary-electron emission coefficient and the voltage-current characteristics of argon glow discharges

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Abstract

The apparent secondary coefficient γ for cathode-fall conditions in an abnormal argon glow discharge was calculated. The results indicated the apparent γ for the cathode-fall region analogous to the effective yield data for homogeneous field. The determination of flux-energy distributions of heavy particles in the cathode sheath was possible as the calculations of γ were based on a heavy-particle hybrid model. The value of γ was found to vary considerably with the changing discharge conditions. Ionization of heavy particles also accounted for the ion production at the abnormal cathode fall.

Original languageEnglish
Pages (from-to)264011-264019
Number of pages9
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume64
Issue number2 II
Publication statusPublished - Aug 2001

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secondary emission
glow discharges
electron emission
cathodes
Voltage
argon
Electron
electric potential
Coefficient
coefficients
Energy Distribution
Hybrid Model
Ionization
sheaths
Vary
energy distribution
ionization
ions

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics
  • Statistical and Nonlinear Physics
  • Mathematical Physics

Cite this

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abstract = "The apparent secondary coefficient γ for cathode-fall conditions in an abnormal argon glow discharge was calculated. The results indicated the apparent γ for the cathode-fall region analogous to the effective yield data for homogeneous field. The determination of flux-energy distributions of heavy particles in the cathode sheath was possible as the calculations of γ were based on a heavy-particle hybrid model. The value of γ was found to vary considerably with the changing discharge conditions. Ionization of heavy particles also accounted for the ion production at the abnormal cathode fall.",
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N2 - The apparent secondary coefficient γ for cathode-fall conditions in an abnormal argon glow discharge was calculated. The results indicated the apparent γ for the cathode-fall region analogous to the effective yield data for homogeneous field. The determination of flux-energy distributions of heavy particles in the cathode sheath was possible as the calculations of γ were based on a heavy-particle hybrid model. The value of γ was found to vary considerably with the changing discharge conditions. Ionization of heavy particles also accounted for the ion production at the abnormal cathode fall.

AB - The apparent secondary coefficient γ for cathode-fall conditions in an abnormal argon glow discharge was calculated. The results indicated the apparent γ for the cathode-fall region analogous to the effective yield data for homogeneous field. The determination of flux-energy distributions of heavy particles in the cathode sheath was possible as the calculations of γ were based on a heavy-particle hybrid model. The value of γ was found to vary considerably with the changing discharge conditions. Ionization of heavy particles also accounted for the ion production at the abnormal cathode fall.

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