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Topological defects and magnetization processes for the triangular lattice of ising particles with an antiferromagnetic interaction

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Abstract

For the frustrated triangular lattice of Ising magnetic moments with an antiferromagnetic interaction, which is in a state with two sublattices, a new type of topological defects with zero energy in the approximation of the interaction between only the nearest-neighbors has been found. These defects have a nonzero magnetic moment, and the magnetization in a low field occurs via the formation of a system of such defects. These properties are valid for a 2D superstructure in the form of a triangular lattice of single-domain magnetic particles with perpendicular anisotropy and dipole coupling.

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Authors and Affiliations

  1. Institute of Magnetism, National Academy of Sciences of Ukraine, Kiev, 03142, Ukraine

    B. A. Ivanov & V. E. Kireev

  2. Shevchenko National University, Vladimirskaya ul. 64, Kiev, 252017, Ukraine

    B. A. Ivanov

Authors
  1. B. A. Ivanov
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  2. V. E. Kireev
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Correspondence to B. A. Ivanov.

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Original Russian Text © B.A. Ivanov, V.E. Kireev, 2009, published in Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2009, Vol. 90, No. 12, pp. 848–851.

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Ivanov, B.A., Kireev, V.E. Topological defects and magnetization processes for the triangular lattice of ising particles with an antiferromagnetic interaction. Jetp Lett. 90, 750–753 (2010). https://doi.org/10.1134/S0021364009240035

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  • DOI: https://doi.org/10.1134/S0021364009240035

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