Depth-sensitive characterization of surface magnetic properties of as-quenched FeNbB ribbons

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Show simple item record Životský, Ondřej Postava, Kamil Hrabovská, Kamila Hendrych, Aleš Pištora, Jaromír Kraus, Lukáš 2009-01-05T11:47:39Z 2009-01-05T11:47:39Z 2008
dc.identifier.citation Applied surface science. 2008, vol. 255, issue 5, pt. 2, p. 3322-3327. en
dc.identifier.issn 0169-4332
dc.description.abstract The longitudinal magneto-optical Kerr effect (MOKE) is used to study the surface magnetic properties of as-quenched FeNbB ribbons. MOKE surface hysteresis loops measured from both ribbon sides confirm different magnetic behavior. Wheel ribbon side shows heterogeneous (crystalline/amorphous) properties, thickness of crystalline phase (about 3 nm) was established by comparing the measured magneto-optical angles of Kerr rotation and ellipticity at different incident angles with the theoretical model. Effective crystalline phase observed at shiny ribbon side is harder (coercive field about 40 Oe) than that on wheel side and penetrates deeper into the material volume. Its thickness 1.3 m estimated from the weight reduction of the ribbon during surface etching is in good agreement with cross-section image obtained using the scanning electron microscopy (SEM). The sources of magnetoelastic anisotropy were identified in the bulk as well as on the ribbon surface using the magneto-optical Kerr microscopy. en
dc.format.extent 1345871 bytes cs
dc.format.mimetype application/pdf cs
dc.language.iso en en
dc.publisher Elsevier en
dc.relation.ispartofseries Applied surface science en
dc.relation.uri en
dc.subject amorphous and nanocrystalline magnetic materials en
dc.subject magneto-optic Kerr effect en
dc.subject scanning electron microscopy en
dc.subject depth profile en
dc.title Depth-sensitive characterization of surface magnetic properties of as-quenched FeNbB ribbons en
dc.type article en
dc.identifier.location Není ve fondu ÚK en
dc.identifier.doi 10.1016/j.apsusc.2008.09.044
dc.rights.access openAccess en
dc.type.version submittedVersion en
dc.identifier.wos 000261299200130

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