Magnetic domain wall propagation unto the percolation threshold across a pseudorectangular disordered lattice.

@article{Attan2004MagneticDW,
  title={Magnetic domain wall propagation unto the percolation threshold across a pseudorectangular disordered lattice.},
  author={J. P. Attan{\'e} and Yimka Samson and Alain Marty and J. Ch. Toussaint and Guilhem Dubois and Alexandra Mougin and J. P. Jamet},
  journal={Physical review letters},
  year={2004},
  volume={93 25},
  pages={257203}
}
The reversal process of thin FePt/Pt(001) layers with perpendicular magnetization was observed by magnetic imaging techniques. Reversal occurs through domain wall propagation across a strongly disordered rectangular lattice of linear anisotropy defects. Micromagnetic simulations of domain wall pinning allowed deriving an analytical model of the reversal process unto percolation threshold. Quantitative agreement is found between the calculated and experimental fractal dimension of the reversed… CONTINUE READING

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