Influence of released surface electrons on the pre-ionization of helium barrier discharges: laser photodesorption experiment and 1D fluid simulation

  title={Influence of released surface electrons on the pre-ionization of helium barrier discharges: laser photodesorption experiment and 1D fluid simulation},
  author={R. Tschiersch and S. Nemschokmichal and Jürgen Meichsner},
  journal={Plasma Sources Science and Technology},
The presented work highlights the role of residual weakly-bound surface electrons acting as an effective seed electron reservoir that favors the pre-ionization of diffuse barrier discharges (BDs). A glow-like BD was operated in helium at a pressure of in between two plane electrodes each covered with float glass at a distance of . The change in discharge development due to laser photodesorption of surface electrons was studied by electrical measurements and optical emission spectroscopy… 
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