Published in
MAIK Nauka/Interperiodica, Technical Physics, 8(57), p. 1101-1105
DOI: 10.1134/s1063784212080075
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Expansion of the working range of forevacuum plasma electron sources toward higher pressures
Journal article published in 2012 by
V. A. Burdovitsin,
A. K. Goreev,
A. S. Klimov,
A. A. Zenin,
E. M. Oks 
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Abstract
It is shown that the pressure in forevacuum plasma electron sources is limited from above by a current component that arises in the accelerating gap from a high-voltage glow discharge and dominates in the electron beam. The working pressure range of such electron sources can be expanded toward higher pressures by limiting the current of the high-voltage glow discharge in the accelerating gap.