The aim of this paper is to illustrate how a noninsulating surface in contact with a glow dielectric-barrier discharge induces the formation of microdischarges. Short-exposure-time pictures synchronized with the discharge show that microdischarges only occur when the conducting surface is on the cathode side and their duration is on the order of 5 mus. This long duration is confirmed by surface scanning-electron-microscopy imaging.
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Naudé et al. (2008) studied this question.
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