Exchange coupling in epitaxial CoO/NiFe bilayers with compensated and uncompensated interfacial spin structures

N. J. Gökemeijer, R. L. Penn, D. R. Veblen, C. L. Chien

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

An uncompensated antiferromagnetic surface of CoO is essential for the establishment of exchange bias. Exchange coupling for compensated surfaces is manifested by a large coercivity but no exchange bias field. Degradation of a compensated surface leads to an exchange bias field. These results clarify a key outstanding issue in exchange bias.

Original languageEnglish (US)
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume63
Issue number17
DOIs
StatePublished - Jan 1 2001

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