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Institute of Electrical and Electronics Engineers, IEEE Transactions on Magnetics, 11(51), p. 1-4, 2015

DOI: 10.1109/tmag.2015.2435368

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Broadband Setup for Magnetic-Field-Induced Domain Wall Motion in Cylindrical Nanowires

Journal article published in 2015 by Alexis Wartelle, Christophe Thirion, Raja Afid, Segolene Jamet, Sandrine Da Col, Laurent Cagnon, Jean-Christophe Toussaint, Julien Bachmann, Sebastian Bochmann, Andrea Locatelli ORCID, Tevfik Onur Mentes, Olivier Fruchart
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This paper is available in a repository.

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Abstract

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.