Abstract
Results are presented which support the predictions of a simple theory of sheath breakdown. The usual sheath equations are modified to allow for field-induced ionisation and secondary emission. The theory predicts that with increasing voltage the sheath expands to a certain point and then collapses catastrophically to a thickness determined by the external load. Measurements of the impedance of a plasma-filled gap reveal that a marked (∼ 102 times) decrease in the magnitude of the impedance occurs as predicted by the theory.
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Schedule a callMore From: IEE Proceedings A Physical Science, Measurement and Instrumentation, Management and Education, Reviews
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