Large exchange bias and its connection to interface structure in FeF 2-Fe bilayers

J. Nogués, D. Lederman, T. J. Moran, Ivan K. Schuller, K. V. Rao

    Research output: Contribution to journalArticleResearchpeer-review

    13 Citations (Scopus)

    Abstract

    Large exchange bias effects (ΔE∼1.1 erg/cm2) were observed in antiferromagnetic (FeF2)-ferromagnetic (Fe) bilayers grown on MgO. The FeF2 grows along the spin-compensated (110) direction. The FeF2-Fe interface roughness was characterized using specular and diffuse x-ray diffraction and atomic force microscopy. The magnitude of the exchange bias field HE increases as the interface roughness decreases. These results imply that magnetic domain creation in the antiferromagnet plays an important role. © 1996 American Institute of Physics.
    Original languageEnglish
    Pages (from-to)3186
    JournalApplied physics letters
    DOIs
    Publication statusPublished - 1 Dec 1995

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