Creep and flow regimes of magnetic domain-wall motion in ultrathin Pt/Co/Pt films with perpendicular anisotropy.

@article{Metaxas2007CreepAF,
  title={Creep and flow regimes of magnetic domain-wall motion in ultrathin Pt/Co/Pt films with perpendicular anisotropy.},
  author={Peter J. Metaxas and J-P Jamet and Alexandra Mougin and Marion Cormier and Jacques Ferr{\'e} and Vincent Baltz and Bernard Rodmacq and Bernard Dieny and Robert L. Stamps},
  journal={Physical review letters},
  year={2007},
  volume={99 21},
  pages={
          217208
        }
}
We report on magnetic domain-wall velocity measurements in ultrathin Pt/Co(0.5-0.8 nm)/Pt films with perpendicular anisotropy over a large range of applied magnetic fields. The complete velocity-field characteristics are obtained, enabling an examination of the transition between thermally activated creep and viscous flow: motion regimes predicted from general theories for driven elastic interfaces in weakly disordered media. The dissipation limited flow regime is found to be consistent with… CONTINUE READING

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