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http://www.repositorio.cdtn.br:8080/jspui/handle/123456789/475| Title: | Changes in ferromagnetic spin structure induced by exchange bias in Fe/MnF2 films |
| Title of periodic: | Physical Review B New York |
| metadata.dc.title.subtitlejournal: | Condensed Matter and Materials Physics |
| Authors: | Macedo, Waldemar Augusto de Almeida Sahoo, B. Kuncser, V. Eisenmenger, J. Felner, I. Nogués, J. Liu, K. Keune, Werner Schuller, I. K. |
| Affiliation: | Centro de Desenvolvimento da Tecnologia Nuclear/CDTN, Belo Horizonte, MG, Brasil Universitaet Duisburg-Essen, Germany Universitaet Duisburg-Essen, Germany University of California San Diego, La Jolla, CA, USA The Hebrew University, Jerusalem, Israel Universitat Autònoma de Barcelona Spain University of California Davis, CA, USA Universitaet Duisburg-Essen, Germany University of California San Diego, La Jolla, CA, USA |
| Issue Date: | 2004 |
| Keywords: | Ferromagnetic materials;antiferromagentic materials;Moessbauer effect;films |
| Abstract: | Depth-dependent Fe spin structures of the remanent state in exchange-coupled Fe/MnF2 films have been probed using 57Fe conversion electron Moessbauer spectroscopy, both above and well below the MnF2 Néel temperature. 57Fe probe layers were embedded eiher 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 suppoirt these conclusions. |
| Access: | L |
| Appears in Collections: | Artigo de periódico |
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