Abstract
Velocity of a single boundary between two circular domains (circular domain wall (CDW)) was measured in a stress-annealed amorphous Co 68.2Fe 4.3Si 12.5B 15 wire. It has been shown that CDW velocities are different for a wall moving in parallel and antiparallel directions with respect to the current flow. At least two mechanisms are responsible for observed behavior. Analysis of the linear parts of the velocity versus current dependences for various axial fields indicates that one of these mechanisms can be the so-called “domain-drag effect” predicted by Berger.
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