Some effects of magnetic field on a hollow cathode ion source

被引：17
作者：
Oks, EM
Anders, A
Brown, IG
机构：
[1] Russian Acad Sci, Inst High Current Elect, Tomsk 634055, Russia
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2004年 / 75卷 / 04期
关键词：
D O I：
10.1063/1.1651633
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A simple hollow cathode "cold wall" dc gaseous ion source with magnetic field was investigated. Parameters of the plasma and ion beam were measured as a function of magnetic field. The extracted ion current shows a nonmonotonic behavior as function of magnetic field strength but the magnetic field distribution had only little influence on the current-voltage characteristics and on all other derived plasma and beam parameters. Analysis of our experimental conditions indicates that the observed nonmonotonic behavior is associated with a change in the ratio of electron Larmor radius to cathode sheath thickness. (C) 2004 American Institute of Physics.
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页码：1030 / 1033
页数：4
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