Direct observation of voltage barriers in ZnO varistors
- 1 June 1979
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 34 (11), 805-806
- https://doi.org/10.1063/1.90651
Abstract
Voltage barriers in a ZnO varistor have been imaged by voltage‐contrast scanning electron microscopy. They are due to grain boundaries and are capable of supporting voltage differences of up to about 4 V.Keywords
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