Domain wall propagation in Fe-rich magnetic microwires with graded magnetic anisotropy
Source abstract
Abstract
We observed that stress-annealing of Fe75B9Si12C4 magnetic microwire at variable annealing temperature allows to create graded magnetic anisotropy. We have found that single domain wall (DW) propagation in a media with graded magnetic anisotropy is essentially non-uniform: faster DW propagation is observed in the region with moderate stress-annealing induced magnetic anisotropy. Higher DW velocity in the region with induced magnetic anisotropy is explained by the transverse character of stress-annealing induced magnetic anisotropy which affects the travelling DW in a similar way as application of transversal bias magnetic field. Obtained graded magnetic anisotropy allows engineering the DW dynamics of Fe-rich microwires.
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Research context
OpenAlex topics: Magnetic properties of thin films · Metallic Glasses and Amorphous Alloys · Magnetic Properties and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Advanced Polymers and Materials: Physics, Chemistry and Technology, Faculty of Chemistry, UPV/EHU 1 , 20018 San Sebastian, Spain
Department of Applied Physics I, EUPDS, UPV/EHU 2 , 20018 San Sebastian, Spain
IKERBASQUE, Basque Foundation for Science 3 , 48011 Bilbao, Spain
Funding
Ministerio de Ciencia, Innovación y Universidades · Eusko Jaurlaritza · Euskal Herriko Unibertsitatea · Diputación Foral de Gipuzkoa · European Regional Development Fund · European Science Foundation
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