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Pulsed Electron Source with Grid Plasma Cathode and Longitudinal Magnetic Field for Modification of Material and Product Surfaces

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Russian Physics Journal Aims and scope

The description and the main characteristics of the pulsed electron source “SOLO” developed on the basis of the plasma cathode with grid stabilization of the emission plasma boundary are presented. Тhe emission plasma is generated by a low-pressure arc discharge, and that allows to form the dense low-energy electron beam with a wide range of independently adjustable parameters of beam current pulses (pulse duration of 20–250 μs, pulse repetition rate of 1–10 s–1, amplitude of beam current pulses of 20–300 A, and energy of beam electrons of 5–25 keV). Тhe special features of generation of emission plasma by constricted low-pressure arc discharge in the grid plasma cathode partially dipped into a non-uniform magnetic field and of formation and transportation of the electron beam in a longitudinal magnetic field are considered. The application area of the electron source and technologies realized with its help are specified.

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Authors and Affiliations

  1. Institute of High Current Electronics of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia

    V. N. Devyatkov & N. N. Koval

Authors
  1. V. N. Devyatkov
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  2. N. N. Koval
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Correspondence to V. N. Devyatkov.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 44–48, September, 2017.

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Devyatkov, V.N., Koval, N.N. Pulsed Electron Source with Grid Plasma Cathode and Longitudinal Magnetic Field for Modification of Material and Product Surfaces. Russ Phys J 60, 1509–1514 (2018). https://doi.org/10.1007/s11182-018-1243-7

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  • DOI: https://doi.org/10.1007/s11182-018-1243-7

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