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The influence of finite size and shape anisotropy on exchange bias: A study of patterned Co/CoO nanostructures |
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| Authors: | K. Temst E. Popova H. Loosvelt M.J. Van Bael S. Brems Y. Bruynseraede C. Van Haesendonck H. Fritzsche M. Gierlings L.H.A. Leunissen R. Jonckheere |
| Affiliation: | 1. Laboratorium voor Vaste-Stoffysica en Magnetisme, Katholieke Universiteit Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium;2. Hahn-Meitner-Institut, BENSC, Glienicker Strasse 100, D-14109 Berlin, Germany;3. IMEC vzw, Kapeldreef 75, B-3001 Leuven, Belgium |
| Abstract: | The influence of finite dimensions on the exchange bias effect in patterned polycrystalline Co/CoO ferromagnet/antiferromagnet exchange bias systems was studied. Magnetization measurements on the smallest structures reveal that the exchange bias shift increases as the structure size becomes smaller. Off-specular neutron scattering experiments were used to study the asymmetric magnetization reversal behaviour. |
| Keywords: | Neutron reflection&mdash polarized Thin films&mdash ferromagnetic Magnetization&mdash reversal |
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