An element-sensitive hysteresis loop study of an exchange-biased Co/NiO bilayer

An exchange-biased Co/NiO bilayer was studied by measuring element specific hysteresis loops. A phase-sensitive detection scheme based on fast switching of the polarization of the X-rays was developed for this measurement. Uncompensated Ni 2+ spins at the Co/NiO interface were observed for the first...

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Bibliographic Details
Published inJournal of magnetism and magnetic materials Vol. 226; pp. 1803 - 1805
Main Authors Sánchez-Hanke, C, Kao, C.-C
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.05.2001
Subjects
Bi layers
Exchange bias
Hysteresis
Bi layers
Hysteresis
Exchange bias
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Summary:An exchange-biased Co/NiO bilayer was studied by measuring element specific hysteresis loops. A phase-sensitive detection scheme based on fast switching of the polarization of the X-rays was developed for this measurement. Uncompensated Ni 2+ spins at the Co/NiO interface were observed for the first time. In addition, part of the Ni 2+ spins were found to switch with the Co layer.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0304-8853
DOI:10.1016/S0304-8853(00)00935-5