Open AccessInvestigation of the plasma electron source based on discharge in crossed electric and magnetic field in hollow configuration
Author(s) -
N. A. Podguyko,
Mikhail Marahtanov,
Yu A. Khohlov
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1328/1/012063
Subject(s) - cathode , plasma , cathode ray , atomic physics , electric field , voltage , magnetic field , electron , materials science , current (fluid) , electric discharge in gases , physics , chemistry , nuclear physics , quantum mechanics , thermodynamics
This article presents a study of the plasma electron source based on discharge in crossed electric and magnetic fields in hollow configuration with a discharge current of up to 1 A. It was found that using a cathode screen with a central hole affects the operation of the device. The discharge voltage is reduced and the formation of an electron beam becomes possible without using for this purpose the extraction voltage. It is shown that the current strength of the electron beam in the absence of an extraction voltage depends on the flow rate of the plasma-forming gas.