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Article · IEEE Transactions on Plasma Science · January 1, 2014

About Formation of Secondary Current Pulses in Dielectric Barrier Discharges in Xe-${\rm Cl}_{2}$ Mixtures

Svetlana Avtaeva
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Abstract

Formation of secondary current pulses in the dielectric barrier discharge in Xe- Cl2mixture is studied using 1-D fluid model. The effect of amplitude of 100-kHz harmonic voltage on the discharge characteristics at pressure 200 torr and chlorine concentration 0.5% has been investigated and discussed. In the dielectric barrier discharge (DBD), at low voltage amplitude a current pulse appears once per a half-cycle of a voltage. However, with increase in voltage amplitude a secondary pulse follows the primary current pulse. Charge, transferred by a current pulse, does not depend on a voltage, so at big voltage the charge is insufficient for neutralization of surface charges of dielectrics. It is a principal cause of developing the secondary current pulses in DBDs.

Atmospheric-Pressure Plasma ApplicationsLow-Pressure Plasma Processing and DiagnosticsVacuum and Plasma Arcsdielectric barrier dischargechlorine contentsurface charge neutralization

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