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dc.contributor.authorThomas, S-
dc.contributor.authorJose, A-
dc.contributor.authorThanveer, T-
dc.contributor.authorAnantharaman, M R-
dc.identifier.citationJournal of Magnetism and Magnetic Materials, 432:336-341en_US
dc.description.abstractWe investigated interfacial exchange coupling effect in nano casted Co3O4 nanowires. Magnetometry measurements indicated that the magnetic response of the wires has two contributions. First one from the core of the wire which has characteristics of a 2D-DAFF(two-dimensional diluted antiferromagnet in a field). The second one is from uncompensated surface spins which get magnetically ordered towards the field direction once field cooled below 25 K. Below 25 K, the net magnetization of the core of the wire gets exchange coupled with the uncompensated surface spins giving rise to exchange bias effect. The unique 2D-DAFF/spin-glass core/shell heterostructure showed a pronounced training effect in the first field cycling itself. The magnitude of exchange bias field showed a maximum at intermediate cooling fields and for the higher cooling field, exchange bias got reduced.en_US
dc.subjectExchange biasen_US
dc.subjectMagnetic nanowiresen_US
dc.titleExchange Biased Co3O4 Nanowires: A New Insight Into its Magnetic Core–Shell Natureen_US
Appears in Collections:2017

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