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Visualization of Dynamic Vortex Structures in Magnetic Films with Uniaxial Anisotropy (Micromagnetic Simulation)

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Abstract

Three-dimensional computer simulation of dynamic processes in a moving domain boundary separating domains in a soft magnetic uniaxial film with planar anisotropy is performed by numerical solution of Landau-Lifshitz-Gilbert equations. The developed visualization methods are used to establish the connection between the motion of surface vortices and antivortices, singular (Bloch) points, and core lines of intrafilm vortex structures. A relation between the character of magnetization dynamics and the film thickness is found. The analytical models of spatial vortex structures for imitation of topological properties of the structures observed in micromagnetic simulation are constructed.

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Authors and Affiliations

  1. Ural Federal University, Yekaterinburg, 620002, Russia

    V. V. Zverev, I. M. Izmozherov & B. N. Filippov

  2. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620018, Russia

    I. M. Izmozherov & B. N. Filippov

Authors
  1. V. V. Zverev
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  2. I. M. Izmozherov
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  3. B. N. Filippov
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Correspondence to V. V. Zverev.

Additional information

Original Russian Text © V.V. Zverev, I.M. Izmozherov, B.N. Filippov, 2018, published in Fizika Tverdogo Tela, 2018, Vol. 60, No. 2, pp. 294–306.

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Zverev, V.V., Izmozherov, I.M. & Filippov, B.N. Visualization of Dynamic Vortex Structures in Magnetic Films with Uniaxial Anisotropy (Micromagnetic Simulation). Phys. Solid State 60, 299–311 (2018). https://doi.org/10.1134/S1063783418020324

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  • DOI: https://doi.org/10.1134/S1063783418020324

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