| Magnetic properties of exchange biased and of unbiased oxide/permalloy thin layers: a ferromagnetic resonance and Brillouin scattering study. | |
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MedLine Citation:
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PMID: 21386581 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Microstrip ferromagnetic resonance and Brillouin scattering are used to provide a comparative determination of the magnetic parameters of thin permalloy layers interfaced with a non-magnetic (Al(2)O(3)) or with an antiferromagnetic oxide (NiO). It results from our microstructural study that no preferential texture is favoured in the observed polycrystalline sublayers. It is shown that the perpendicular anisotropy can be monitored using an interfacial surface energy term which is practically independent of the nature of the interface. In the interval of thicknesses investigated (5-25 nm) the saturation magnetization does not significantly differ from the reported one in bulk permalloy. In-plane uniaxial anisotropy and exchange bias anisotropy are also derived from the study of the dynamic magnetic excitations and compared with our independent evaluations using conventional magnetometry. |
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Authors:
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F Zighem; Y Roussigné; S-M Chérif; P Moch; J Ben Youssef; F Paumier |
Publication Detail:
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Type: Journal Article Date: 2010-09-20 |
Journal Detail:
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Title: Journal of physics. Condensed matter : an Institute of Physics journal Volume: 22 ISSN: 0953-8984 ISO Abbreviation: J Phys Condens Matter Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2011-03-09 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101165248 Medline TA: J Phys Condens Matter Country: England |
Other Details:
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Languages: eng Pagination: 406001 Citation Subset: IM |
Affiliation:
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Laboratoire des Propriétés Mécaniques et Thermodynamiques des Matériaux, CNRS UPR 9001, Université Paris Nord, 93430 Villetaneuse, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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