Switching behaviour of coupled antiferro- and ferromagnetic systems: exchange bias

Per-Anker Lindgård

    Research output: Contribution to journalJournal articleResearchpeer-review


    The switching behaviour, under reversal of an external field, of a simple, ideal magnetic nanoparticle is studied and the interplay between antiferromagnets and ferromagnets elucidated. It is found that the switching between various multi- q ordering in fcc antiferromagnets (as found theoretically in NiO nanoparticles (Kodama and Berkowitz 1999 Phys. Rev. B 59 6321 and Lindgård 2003 J. Magn. Magn. Mater. 266 88)) in a field severely limits the exchange biasing potential. The interface between the different magnets is found to be that originally assumed by Meiklejohn and Bean (1956 Phys. Rev. 102 1413).
    Original languageEnglish
    JournalJournal of Physics Condensed Matter
    Issue number47
    Pages (from-to)474225
    Publication statusPublished - 2009


    • Materials characterization and modelling
    • Materials research


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