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New original method and experimental technique for visualisation and optical measurements of two-demensional conductivity distribution in dielectrics under high voltage pulses had been developed. Charge and current sensitivities about 10−14 C and 10−12 A respectivly had been obtained.
Using Kerr effect charge injection from point cathode and anode in nitrobenzene in prebreakdown electric field under pulse voltage of microsecond range has been recorded. Cathode emission started at Ei=0.5MV/cm and anode - at Ei=1.0MV/cm. Negative space charge was approximately uniformly distributed around the point cathode top, and anode positive charges injection was of local nature. Prebreakdown...
Kinetics of high field conductivity in water has been studied using the original experimental technique. It was discovered anomalous temporal behavior of water conductivity in presence of H+ ions or dipolar ions.
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