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Many experimental and theoretical studies show that the shape of excitation voltage waveform is a crucial factor in generating uniform atmospheric-pressure plasmas1–4. In this paper, we compare the characteristic of pulsed and sinusoidal dielectric-barrier discharges (DBDs) in atmospheric N2 by numerical simulations based on a one-dimensional fluid model. The results show that, different from the...
Plasma immersion ion implantation can be used to process the interior surfaces of oddly shape structures, such as a cylindrical bore. A small cylindrical bore with a grounded noncoaxial parallel auxiliary electrode is modeled using a 2-D particle-in-cell model. Simulation shows that, after the ions initially present in the bore begin to be exhausted, an ion density pulse is formed, which sweeps the...
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