Avalanche breakdown in n-hexane
- 14 May 1979
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 12 (5) , 787-796
- https://doi.org/10.1088/0022-3727/12/5/020
Abstract
Time lags to breakdown in n-hexane have been measured in high over-voltages, using approximately 100 ns width rectangular pulses. At a constant field, the time lags are divided into two types, N and B, at a 'critical distance' d. Above dc, Laue plots have almost similar kinked-line characteristics; below dc, a straight line is obtained. From the prebreakdown current estimated from the voltage waveforms, the ionisation coefficient, which increases with increasing applied fields, is estimated to be 6.4*103 cm-1 at 3.5 MV cm-1, provided a single-electron avalanche is occurring.Keywords
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