Advanced Search+
N OUDINI, M M ALIM, R TADJINE, A BENDIB. Gas pressure effect on plasma transport in a magnetic-filtered radio-frequency plasma source[J]. Plasma Science and Technology, 2020, 22(6): 65402-065402. DOI: 10.1088/2058-6272/ab7a41
Citation: N OUDINI, M M ALIM, R TADJINE, A BENDIB. Gas pressure effect on plasma transport in a magnetic-filtered radio-frequency plasma source[J]. Plasma Science and Technology, 2020, 22(6): 65402-065402. DOI: 10.1088/2058-6272/ab7a41

Gas pressure effect on plasma transport in a magnetic-filtered radio-frequency plasma source

  • Volume negative ion production relies on a magnetic filter (MF), where the plasma downstream of the MF is characterized by a strip-like pattern that consists of a bright and dense plasma region. In this work, we study, in a radio-frequency plasma source, the effects of operating pressure on this strip. This investigation, conducted using a Langmuir probe, shows that the plasma uniformity might be controlled through the gas pressure. Moreover, the operating pressure determines on which hemi-cylinder (side of magnetic field lines) the strip forms. This side inversion of the high-density plasma hemi-cylinder is due to an inversion of an ambipolar electric field that changes the E × B drift direction.
  • loading

Catalog

    Turn off MathJax
    Article Contents

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return