Cross-field transport of electrons at the magnetic throat in an annular plasma reactor

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    Abstract

    Cross-field transport of electrons has been studied at the magnetic throat of the annular Chi-Kung reactor. This annular configuration allows the creation of a low pressure argon plasma with two distinct electron heating locations by independently operating a radio-frequency antenna surrounding the outer source tube, or an antenna housed inside the inner source tube. The two antenna cases show opposite variation trends in radial profiles of electron energy probability function, electron density, plasma potential and electron temperature. The momentum and energy transport coefficients are obtained from the electron energy probability functions, and the related electron fluxes follow the path of electron cooling across the magnetic throat.

    Original languageEnglish
    Article number015205
    JournalJournal Physics D: Applied Physics
    Volume50
    Issue number1
    DOIs
    Publication statusPublished - 11 Jan 2017

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