Huge quadratic magneto-optical Kerr effect and magnetization reversal in the Co2FeSi Heusler compound

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dc.contributor.authorHamrle, Jaroslav
dc.contributor.authorBlomeier, S.
dc.contributor.authorGaier, O.
dc.contributor.authorHillebrands, B.
dc.contributor.authorSchneider, H.
dc.contributor.authorJakob, Gerhard
dc.contributor.authorPostava, Kamil
dc.contributor.authorFelser, C.
dc.date.accessioned2007-05-09T13:09:06Z
dc.date.available2007-05-09T13:09:06Z
dc.date.issued2007
dc.description.abstract-enCo2FeSi(1 0 0) films with L21 structure deposited onto MgO(1 0 0) were studied using both the longitudinal and quadratic (QMOKE) magneto-optical Kerr effect. The films exhibit a huge QMOKE signal with a maximum contribution of up to 30 mdeg, which is the largest QMOKE signal in reflection that has been measured thus far. This large value is a fingerprint of an exceptionally large spin–orbit coupling of second or higher order. The Co2FeSi(1 0 0) films exhibit a rather large coercivity of 350 Oe and 70 Oe for film thicknesses of 22 nm and 98 nm, respectively. Despite the fact that the films are epitaxial, they do not provide an angular dependence of the anisotropy and the remanence in excess of 1% and 2%, respectively.en
dc.identifier.citationJournal of Physics D: Applied Physics. 2007, vol. 40, no. 6, p. 1563-1569.en
dc.identifier.doi10.1088/0022-3727/40/6/S09
dc.identifier.issn0022-3727
dc.identifier.issn1361-6463
dc.identifier.locationNení ve fondu ÚKen
dc.identifier.urihttp://hdl.handle.net/10084/60004
dc.identifier.wos000245291700010
dc.language.isoenen
dc.publisherInstitute of Physics Publishingen
dc.publisherIOP Publishing
dc.relation.ispartofseriesJournal of Physics D: Applied Physicsen
dc.relation.urihttp://dx.doi.org/10.1088/0022-3727/40/6/S09en
dc.relation.urihttp://arxiv.org/abs/cond-mat/0609688
dc.titleHuge quadratic magneto-optical Kerr effect and magnetization reversal in the Co2FeSi Heusler compounden
dc.typearticleen

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