Direct observation of voltage barriers in ZnO varistors

O. L. Krivanek, P. Williams, Yi Ching Lin

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)805-806
Number of pages2
JournalApplied Physics Letters
Issue number11
StatePublished - 1979
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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