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Modes of Periodic Domain Wall Motion in Ultrathin Ferromagnetic Layers

Abstract : Magnetization reversal in a periodic magnetic field is studied on an ultrathin, ultrasoft ferromagnetic Pt/Co(0.5 nm)/Pt trilayer exhibiting weak random domain wall (DW) pinning. The DW motion is imaged by polar magneto-optic Kerr effect microscopy and monitored by superconducting quantum interference device susceptometry. In close agreement with model predictions, the complex linear ac susceptibility corroborates the dynamic DW modes segmental relaxation, creep, slide, and switching.
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Contributor : Dominique Girod <>
Submitted on : Monday, September 3, 2007 - 1:29:30 PM
Last modification on : Wednesday, September 16, 2020 - 4:32:22 PM

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W. Kleemann, J. Rhensius, O. Petracic, J. Ferré, J.P. Jamet, et al.. Modes of Periodic Domain Wall Motion in Ultrathin Ferromagnetic Layers. Physical Review Letters, American Physical Society, 2007, 99, pp.097203. ⟨10.1103/PhysRevLett.99.097203⟩. ⟨in2p3-00169321⟩

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