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The purpose of this paper is to investigate the ion energy distribution in thermionic-vacuum-arc plasma. Using emissive probe technique, the spatial plasma potential distribution has been measured. In some conditions, the anode plasma potential is constant and close to the anode potential. Also, a sharp potential drop characterizes the potential distribution between the anode plasma and the vessel...
The aim of this paper is to investigate the properties of thermionic vacuum arc (TVA) plasma and to optimize the discharge parameters in order to obtain plasma with high energetic ions and high ionization degree. Using emissive probe technique, the spatial plasma potential distribution has been measured. Experimental results show that the spatial distribution of plasma potential strongly depends on...
In this paper we report on the behavior of a glow mode pulsed barrier discharge working at different gas pressure (25-760 Torr) in He and He+O2. The experimental set-up consists of a plane-parallel geometry of DBD system, excited by positive monopolar voltage pulses. The discharge properties were characterized by electrical measurements and emission spectroscopy. Our investigations showed that the...
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