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Electro-negative plasmas are widely used in plasma processing, ion source for neutral beam heating in fusion devices, plasma etching and ion Hall thrusters. Presence of negative ions principally modifies the sheath thereby affecting the direct transport of charged particle toward the wall or substrate. In some scenarios they lead to discharge instabilities. They are also responsible for various plasma...
Non-equilibrium atmospheric pressure discharges provide an attractive area of industrial interest, largely due to their relative ease of operation and usefulness in fields such as surface treatment of plastics, medical surfaces or even tissue1. In recent years there has therefore been a mounting interest in characterising these types of discharges numerically through simulation, as well as through...
Anodic glow is an interesting physical phenomenon which is observed in front of the small electrode biased positive than the plasma potential. These anodic glows, sometimes referred as fireballs have generated some renewed attention due to observation of plasma instabilities (non-chaotic) in the electrode current and launching of electrostatic plasma waves. The present study deals with the investigations...
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