Strong perpendicular magnetic anisotropy in Ni/Co(111) single crystal superlattices

S. Girod, M. Gottwald, S. Andrieu, S. Mangin, J. McCord, Eric E. Fullerton, J. M.L. Beaujour, B. J. Krishnatreya, A. D. Kent

    Research output: Contribution to journalArticle

    Abstract

    Single crystal Ni/Co(111) superlattices have been grown by molecular beam epitaxy. The Ni thickness is 3 ML whereas the Co thickness varies from 0.2 to 4 ML. The superlattices were studied using magnetometry and ferromagnetic resonance spectroscopy and they all exhibit strong perpendicular to the plane magnetic anisotropy. The maximum magnetocrystalline anisotropy is obtained for one cobalt monolayer. Kerr microscopy measurements show the variation of domain pattern as the Co layer thickness changes.

    Original languageEnglish (US)
    Article number262504
    JournalApplied Physics Letters
    Volume94
    Issue number26
    DOIs
    StatePublished - 2009

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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