Broadband Setup for Magnetic-Field-Induced Domain Wall Motion in Cylindrical Nanowires
Résumé
In order to improve the precision of domain wall dynamics measurements, we develop a coplanar waveguide-based setup where the domain wall motion should be triggered by pulses of magnetic field. The latter are produced by the Oersted field of the waveguide as a current pulse travels toward its termination, where it is dissipated. Our objective is to eliminate a source of bias in domain wall speed estimation while optimizing the field amplitude. Here, we present implementations of this concept for magnetic force microscopy (MFM) and synchrotron-based investigation.
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BroadbandSetupForMagneticFieldInducedDomainWallMotionInCylindricalNanowires-Wartelle_et_al.pdf (1.3 Mo)
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