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Asymmetric domain nucleation and unusual magnetization reversal in ultrathin Co films with perpendicular anisotropy

dc.contributor.authorIunin, Y.L.
dc.contributor.authorKabanov, Y.P.
dc.contributor.authorNikitenko, V.I.
dc.contributor.authorCheng, X.M.
dc.contributor.authorClarke, D.
dc.contributor.authorTretiakov, O.A.
dc.contributor.authorTchernyshyov, O.
dc.contributor.authorShapiro, A.J.
dc.contributor.authorShull, R.D.
dc.contributor.authorChien, C.L.
dc.date.accessioned2010-01-08T20:59:12Z
dc.date.available2010-01-08T20:59:12Z
dc.date.issued2007-03-16
dc.identifier.citationPhysical Review Letters 16 March 2007, vol.98, no.11, pp. 117204/1-4en_US
dc.identifier.urihttp://jhir.library.jhu.edu/handle/1774.2/33761
dc.description.abstractWe report unexpected phenomena during magnetization reversal in ultrathin Co films and Co/Pt multilayers with perpendicular anisotropy. Using magneto-optical Kerr microscopy and magnetic force microscopy we have observed asymmetrical nucleation centers where the reversal begins for one direction of the field only and is characterized by an acute asymmetry of domain-wall mobility. We have also observed magnetic domains with a continuously varying average magnetization, which can be explained in terms of the coexistence of three magnetic phases: up, down, and striped.en_US
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.subjectperpendicular anisotropyen_US
dc.subjectunusual magnetization reversalen_US
dc.subjectultrathin Co filmsen_US
dc.subjectasymmetric domain nucleationen_US
dc.subjectmagnetic thin filmsen_US
dc.subjectmagnetic multilayersen_US
dc.subjectasymmetrical nucleation centersen_US
dc.subjectmagnetic force microscopyen_US
dc.subjectKerr magneto-optical effecten_US
dc.subjectcobalten_US
dc.subjectmagnetic domainsen_US
dc.subjectdomain-wall mobilityen_US
dc.subjectCo-Pten_US
dc.titleAsymmetric domain nucleation and unusual magnetization reversal in ultrathin Co films with perpendicular anisotropyen_US
dc.typeArticleen_US


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