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Polarization Selective Magnetic Vortex Dynamics and Core Reversal in Rotating Magnetic Fields

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Curcic, Michael ; Van Waeyenberge, Bartel ; Vansteenkiste, Arne ; Weigand, Markus ; Sackmann, Vitalij ; Stoll, Hermann ; Faehnle, Manfred ; Tyliszczak, Tolek ; Woltersdorf, Georg ; Back, Christian H. ; Schuetz, Gisela
Date of publication of this fulltext: 27 May 2010 10:04


We report on the observation of magnetic vortex dynamics in response to rotating magnetic fields in submicron platelets. Unlike linear fields or spin polarized currents, which excite both vortex core polarization states, an in-plane rotating field can selectively excite one of the polarization states. We demonstrate by direct imaging with time-resolved scanning x-ray microscopy that ...


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