Separation of the First- and Second-order Contributions in Magnetooptic Kerr Effect Magnetometry of Epitaxial FeMn/NiFe Bilayers

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dc.contributor.authorMewes, T.
dc.contributor.authorNembach, H.
dc.contributor.authorRickart, M.
dc.contributor.authorHillebrands, B.
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2018-08-29T19:19:47Z
dc.date.available2018-08-29T19:19:47Z
dc.date.issued2004
dc.description.abstractThe influence of second-order magneto-optic effects on Kerr effect magnetometry of epitaxial exchange coupled Fe50Mn50 /Ni81Fe19-bilayers is investigated. A procedure for separation of the first-and second-order contributions is presented. The full angular dependence of both contributions during the magnetization reversal is extracted from the experimental data and presented using gray scaled magnetization reversal diagrams. The theoretical description of the investigated system is based on an extended Stoner–Wohlfarth model, which includes an induced unidirectional and fourfold anisotropy in the ferromagnet, caused by the coupling to the antiferromagnet. The agreement between the experimental data and the theoretical model for both the first- and second-order contributions are good, although a coherent reversal of the magnetization is assumed in the model.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationMewes, T., Nembach, H., Rickart, M., Hillebrands, B. (2004): Separation of the First- and Second-order Contributions in Magneto-optic Kerr Effect Magnetometry of Epitaxial FeMn/NiFe Bilayers, Journal of Applied Physics, 95(10).
dc.identifier.urihttp://ir.ua.edu/handle/123456789/3785
dc.subjectMagnetization reversals
dc.subjectNickel
dc.subjectCoherence theory
dc.subjectMagnetooptic Kerr effect
dc.subjectEpitaxy
dc.subjectMagnetic anistropy
dc.subjectAntiferromagnetism
dc.titleSeparation of the First- and Second-order Contributions in Magnetooptic Kerr Effect Magnetometry of Epitaxial FeMn/NiFe Bilayersen_US
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