Spectroscopic investigation of the near-cathode regions in a low-pressure arc

N. P. Kondrat'eva, N. N. Koval', Yu D. Korolev, P. M. Schanin

    Research output: Contribution to journalArticle

    30 Citations (Scopus)

    Abstract

    The investigation described in this paper dealt with spectroscopic measurements of the near-cathode plasma in a low-pressure arc on a Mg cathode with a current of 100 A and a pulse of duration 150 μs. Information on the directed velocities of the heavy particles (ions and neutral species) has been obtained from measuring the Doppler shift and the broadening of the spectral lines. The electron density in the cathode flare has been estimated from the collisional broadening of the lines. The experimental data obtained support the validity of the potential hump model for treating the mechanism of fast-ion generation.

    Original languageEnglish
    Pages (from-to)699-705
    Number of pages7
    JournalJournal of Physics D: Applied Physics
    Volume32
    Issue number6
    DOIs
    Publication statusPublished - 21 Mar 1999

    Fingerprint

    Cathodes
    low pressure
    arcs
    cathodes
    Ions
    Doppler effect
    flares
    Carrier concentration
    line spectra
    ions
    Plasmas
    shift
    pulses

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

    Cite this

    Spectroscopic investigation of the near-cathode regions in a low-pressure arc. / Kondrat'eva, N. P.; Koval', N. N.; Korolev, Yu D.; Schanin, P. M.

    In: Journal of Physics D: Applied Physics, Vol. 32, No. 6, 21.03.1999, p. 699-705.

    Research output: Contribution to journalArticle

    Kondrat'eva, N. P. ; Koval', N. N. ; Korolev, Yu D. ; Schanin, P. M. / Spectroscopic investigation of the near-cathode regions in a low-pressure arc. In: Journal of Physics D: Applied Physics. 1999 ; Vol. 32, No. 6. pp. 699-705.
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    AU - Schanin, P. M.

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