Abstract
Domain wall dynamics in magnetic bistable glass-coated microwire were studied. A new experiment is presented which can provide information about propagating domain wall geometry and its changes. The proposed experimental set-up and data processing provide information about spatial distribution of axial magnetic flux around a propagating domain wall. The measurements were carried out on an Fe-based microwire with unidirectional effect. Shortening of the wall with applied magnetic field was observed. It was probably a stray field around a head-to-head (or tail-to-tail) domain wall which caused the observed effect to lack strength. Despite this fact it was confirmed that increasing damping of domain wall motion resulted in the wall shortening. The observed behaviour can be interpreted as a combined effect of eddy current damping and a conical type of wall with the apex at the head of the propagating wall.
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