Influence of an external circuit on the plasma parameters in the channel of the radio-frequency accelerator with a closed electron drift

被引：0

作者：

Shvydky G.V. ^{[1
]}

Zadiriev I.I. ^{[2
]}

Kralkina E.A. ^{[2
]}

Vavilin K.V. ^{[2
]}

机构：

[1] Prokhorov General Physics Institute, The Russian Academy of Sciences, 38 Vavilov st., Moscow

[2] Moscow State University M. V., Lomonosov 1 Leninskie gory, Moscow

来源：

Applied Physics | 2021年 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

Accelerator with closed electron drift; Hall ion source; High-frequency discharge;

D O I：

10.51368/1996-0948-2021-1-24-30

中图分类号：

学科分类号：

摘要：

The axial distribution of the plasma potential, concentration and temperature of electrons in an RF capacitive plasma source with the geometry of an accelerator with a closed electron drift is experimentally investigated in this work. Two cases of the external electrical discharge circuit are considered. In the first case, the electrodes were closed by direct current, in the second, they were opened. It is shown that direct current closure of the electrodes leads to a significant increase in the plasma potential and electron concentration. In a number of cases, local maxima of temperature and plasma density are observed near the electrodes, which can be associated with the occurrence of azimuthal electron drift in crossed electric and magnetic fields. © 2021 Federal Informational-Analytical Center of the Defense Industry. All rights reserved.

引用

页码：24 / 30

页数：6

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