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Influence of domain wall pinning on the dynamic behavior of magnetic vortex structures: Time-resolved scanning x-ray transmission microscopy
in NiFe thin film structures

URN to cite this document:
Vansteenkiste, A. ; De Baerdemaeker, J. ; Chou, K. W. ; Stoll, H. ; Curcic, M. ; Tyliszczak, T. ; Woltersdorf, Georg ; Back, Christian ; Schuetz, G. ; Van Waeyenberge, B.
Date of publication of this fulltext: 25 May 2010 13:41


Artificial domain wall pinning sites were created in micron-sized thin-film Ni80Fe20 structures, and their influence on the vortex dynamics was investigated by using time-resolved scanning transmission x-ray microscopy. The domain wall pinning sites were introduced by means of focused ion beam etching in the form of antidots. The vortex gyration frequency increased in square-shaped ...


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