Changes in ferromagnetic spin structure induced by exchange bias in Fe/MnF<inf>2</inf> films

W. A.A. Macedo, B. Sahoo, V. Kuncser, J. Eisenmenger, I. Felner, J. Nogués, Kai Liu, W. Keune, Ivan K. Schuller

Research output: Contribution to journalArticleResearchpeer-review

35 Citations (Scopus)

Abstract

Depth-dependent Fe spin structures of the remanent state in exchange-coupled Fe/MnF2 films have been probed using 57Fe conversion electron Mössbauer spectroscopy, both above and well below the MnF2 Néel temperature. 57Fe probe layers were embedded either at the Fe/MnF2 interface or in the center of the Fe film. Remarkably, exchange bias induces a significant change of the in-plane angular distribution of the Fe magnetic moments at the interface and inside the Fe film, away from the saturation magnetization direction. Results from vector magnetometry support these conclusions.
Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume70
Issue number22
DOIs
Publication statusPublished - 1 Dec 2004

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