High-current lanthanum-hexaboride electron emitter for a quasi-stationary arc plasma generator

被引：0
|
作者：
V. I. Davydenko
A. A. Ivanov
G. I. Shul’zhenko
机构：
[1] Russian Academy of Sciences,Budker Institute of Nuclear Physics, Siberian Branch
来源：
Plasma Physics Reports | 2015年 / 41卷
关键词：
Plasma Physic Report; Electron Emitter; Plasma Generator; Cathode Fall; Heat Transfer Mode;
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学科分类号：
摘要：
A high-current electron emitter on the basis of lanthanum hexaboride is developed for quasi-stationary arc plasma generators of ion sources. The emitter consists of a set of LaB6 washers interleaved with washers made of thermally extended graphite. The emitter is heated by the current flowing through the graphite washers. The thermal regime of emitter operation during plasma generation is considered. The emitter has been successfully used in the ion sources of the diagnostic injectors of fast hydrogen atomic beams.
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页码：930 / 933
页数：3
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