Lewis, E. R., Petit, D., Jausovec, A. V., O'Brien, L., Read, Daniel ![]() |
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Abstract
The motion of transverse domain walls (DWs) in thin Permalloy nanowires has been studied by locally detecting the chirality of the moving DW, using a cross-shaped trap acting as a chirality filter. We find that structural changes of the DW occur over a characteristic minimum distance: the “DW fidelity length.” The measured field dependence of the fidelity length is in good qualitative agreement with a 1D analytical model and with published results of numerical simulations and experiments. We also demonstrate extension of the fidelity length to meter length scales using a series of filters.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Physics and Astronomy |
Subjects: | Q Science > QC Physics |
Publisher: | American Physical Society |
ISSN: | 0031-9007 |
Last Modified: | 16 May 2023 20:24 |
URI: | https://orca.cardiff.ac.uk/id/eprint/7219 |
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