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Applied Physics Letters / Volume 102 / Issue 2 / DEVICE PHYSICS

Appl. Phys. Lett. 102, 023509 (2013); http://dx.doi.org/10.1063/1.4776192 (5 pages)

Magnetic shielding of walls from the unmagnetized ion beam in a Hall thruster

Ioannis G. Mikellides, Ira Katz, Richard R. Hofer, and Dan M. Goebel

Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA

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(Received 4 August 2012; accepted 20 December 2012; published online 17 January 2013)

We demonstrate by numerical simulations and experiments that the unmagnetized ion beam formed in a Hall thruster can be controlled by an applied magnetic field in a manner that reduces by 2–3 orders of magnitude deleterious ion bombardment of the containing walls. The suppression of wall erosion in Hall thrusters to such low levels has remained elusive for decades.

© 2013 American Institute of Physics

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KEYWORDS and PACS

Keywords

ion beams, numerical analysis, plasma devices, plasma simulation

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.4776192

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

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$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

    Y. Raitses, M. Keidar, D. Staack, and N. J. Fisch, J. Appl. Phys. 92(9), 4906–4911 (2002)JAPIAU000092000009004906000001.

    N. B. Meezan, W. A. Hargus, and M. A. Cappelli, Phys. Rev. E 63(2), 026410 (2001).

    D. Sydorenko, I. Kaganovich, Y. Raitses, and A. Smolyakov, Phys. Rev. Lett. 103(14), 145004 (2009).

    I. G. Mikellides, I. Katz, R. R. Hofer, D. M. Goebel, K. de Grys, and A. Mathers, Phys. Plasmas 18(3), 033501 (2011)PHPAEN000018000003033501000001.


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