NDLI: Effect of ion mass and charge State on transport of vacuum arc plasmas through a biased magnetic filter

Content Provider	IEEE Xplore Digital Library
Author	Eungsun Byon Jong-Kuk Kim Sik-Chol Kwon Anders, A.
Copyright Year	1973
Abstract	The effect of ion mass and charge state on plasma transport through a 90/spl deg/-curved magnetic filter is experimentally investigated using a pulsed cathodic arc source. Graphite, copper, and tungsten were selected as test materials. The filter was a bent copper coil biased via the voltage drop across a low-ohm, "self-bias" resistor. Ion transport is accomplished via a guiding electric field, whose potential forms a "trough" shaped by the magnetic guiding field of the filter coil. Evaluation was done by measuring the filtered ion current and determination of the particle system coefficient, which can be defined as the ratio of filtered ion current, divided by the mean ion charge state, to the arc current. It was found that the ion current and particle system coefficient decreased as the mass-to-charge ratio of ions increased. This result can be qualitatively interpreted by a very simple model of ion transport that is based on compensation of the centrifugal force by the electric force associated with the guiding potential trough.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	433
Ending Page	439
Page Count	7
File Size	255064
File Format	PDF
ISSN	00933813
Volume Number	32
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vacuum arcs Plasma transport processes Magnetic separation Plasma materials processing Plasma sources Copper Filters Coils Tungsten Materials testing
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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Effect of ion mass and charge state on transport of vacuum ARC plasmas through a biased magnetic filter

Effect of ion mass and charge state on transport of vacuum ARC plasmas through a biased magnetic filter

The effects of transmission through a magnetic filter on the ion charge state distribution of a cathodic vacuum arc plasma

Macroparticle filtering of high-current vacuum arc plasmas

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Increasing the ion charge states in vacuum arc plasmas by arc current spikes

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Effect of ion mass and charge State on transport of vacuum arc plasmas through a biased magnetic filter

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