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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