Weigand, Markus and Van Waeyenberge, Bartel and Vansteenkiste, Arne and Curcic, Michael and Sackmann, Vitalij and Stoll, Hermann and Tyliszczak, Tolek and Kaznatcheev, Konstantine and Bertwistle, Drew and Woltersdorf, Georg and Back, Christian H. and Schuetz, Gisela
Vortex Core Switching by Coherent Excitation with Single In-Plane Magnetic Field Pulses.
Physical Review Letters (PRL) 102 (7), 077201.
at publisher (via DOI)
The response of magnetic vortex cores to subnanosecond in-plane magnetic field pulses was studied by time-resolved x-ray microscopy.
Vortex core reversal was observed and the switching events were located
in space and time. This revealed a mechanism of coherent excitation by
the leading and trailing edges of the pulse, lowering the field
amplitude required for switching. The ...
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