Plasma Sources of Low-Energy Ion-Electron Space-Combined Beams

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Published: Jul 12, 2025
DOI: https://doi.org/10.63874/2218-0303-2025-1-13-21
Keywords:
electron-ion beam technologies, plasma electron sources, plasma ion sources, plasma emission systems, electron-ion technologies, combined electron-ion low-energy beams.

Main Article Content

Dmitry Antonovich
Physical-Technical Institute of National Academy of Sciences of Belarus
Marina Skovorodko
Polotsk State University named after Euphrosyne of Polotsk
Diana Shidlovskaya
Vitebsk State University after P. M. Masherov

Abstract

The paper presents some results obtained in the studies of previously developed plasma sources of low-energy ion-electron spatially aligned beams [1], the design of which was modified to include the shape and geometric characteristics of the emission channel and the length of the accelerating gaps. It is shown that a double plasma emission system formed in such designs, which are two Penning-type gas-discharge cells connected in series (along the axis), due to the reverse charge flow from the secondary plasma to the emitting plasma and partial compensation of the beam space charge, contributes to an increase in the emission current and has an increased perveance. In addition, in the designs under consideration, due to a decrease in the radial potential gradient in the accelerating gap, a decrease in the beam divergence is ensured and current flow is increased. Current-voltage and emission characteristics are given for various conditions and operating modes of the sources. It is shown that the achieved parameters indicate the possibility of using the developed designs as prototypes of technological sources of low-energy ion-electron beams combined in space.

Article Details

How to Cite
[1]
Antonovich, D. et al. 2025. Plasma Sources of Low-Energy Ion-Electron Space-Combined Beams. Vesnik of Brest University. Series 4. Physics. Mathematics. 1 (Jul. 2025), 13–21. DOI:https://doi.org/10.63874/2218-0303-2025-1-13-21.
Issue
No. 1 (2025): Vesnik of Brest University. Series 4. Physics. Mathematics
Section
PHYSICS

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