Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 48, Issue 4, Pages 1266-1268Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2011.2173170
Keywords
Induced anisotropy; magnetic domain wall; microwires
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Amorphous glass-coated microwires are magnetic materials well-known by very high domain wall velocities reaching up to 15 km/s. In the previous works was shown, that domain wall dynamics in microwires could be effectively tuned by biasing of additional anisotropies. Here we show the possibility of inducing anisotropy to the microwires. Thermal annealing at 300 degrees C in perpendicular field speeds-up domain wall velocity from 1 km/s (as-cast state) to 6 km/s. On the other side, thermal annealing at the same temperature but without perpendicular field leads to the maximum domain wall velocity of about 4 km/s only. This underlines the importance of two perpendicular anisotropies on fast domain wall velocities in microwires.
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