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

URN to cite this document:: urn:nbn:de:bvb:355-epub-149175
DOI to cite this document:: 10.5283/epub.14917

Curcic, Michael ; Van Waeyenberge, Bartel ; Vansteenkiste, Arne ; Weigand, Markus ; Sackmann, Vitalij ; Stoll, Hermann ; Faehnle, Manfred ; Tyliszczak, Tolek ; Woltersdorf, Georg ; Back, Christian H. ; Schuetz, Gisela

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Date of publication of this fulltext: 27 May 2010 10:04

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Abstract

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 ...