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Domain Analysis and Magnetic Relaxation in Thin Films

Author

Listed:
  • Tatiana G. Rappoport

    (Instituto de Fisica, Universidade Federal Fluminense, Av. Litorânea s/n, 24210-340, Niterói, RJ, Brazil)

  • F. S. de Menezes

    (Centro Brasileiro de Pesquisas Físicas, Rua Xavier Sigaurd 150, 22290-180, Rio de Janeiro, RJ, Brazil)

  • L. C. Sampaio

    (Centro Brasileiro de Pesquisas Físicas, Rua Xavier Sigaurd 150, 22290-180, Rio de Janeiro, RJ, Brazil)

  • M. P. Albuquerque

    (Centro Brasileiro de Pesquisas Físicas, Rua Xavier Sigaurd 150, 22290-180, Rio de Janeiro, RJ, Brazil)

  • F. Mello

    (Centro Brasileiro de Pesquisas Físicas, Rua Xavier Sigaurd 150, 22290-180, Rio de Janeiro, RJ, Brazil)

Abstract

We have simulated the magnetic relaxation(M(t))and the nucleation of magnetic domains in the presence of magnetic field in thin films with anisotropy perpendicular to the film plane. We have used Monte Carlo simulations based on the two-dimensional classical Ising model including the long-range dipole–dipole and Zeeman interactions. Domains nucleated during the magnetic relaxation exhibit very rough interfaces. We analyze the roughness and theM(t)as a function of the relative strength of dipole–dipole and Zeeman terms.

Suggested Citation

  • Tatiana G. Rappoport & F. S. de Menezes & L. C. Sampaio & M. P. Albuquerque & F. Mello, 1998. "Domain Analysis and Magnetic Relaxation in Thin Films," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 9(06), pages 821-825.
    • Handle: RePEc:wsi:ijmpcx:v:09:y:1998:i:06:n:s0129183198000753
    DOI: 10.1142/S0129183198000753
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