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“Unusual” domain walls in multilayer systems: Ferromagnet + layered antiferromagnet

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Abstract

The structure and conditions for the onset of a new type of domain wall in multilayer systems comprising a ferromagnet and a layered antiferromagnet is investigated by numerical simulation. Domain walls occur as the result of frustrations produced by interface roughness, i.e., by the existence of atomic steps on them. The domain walls are investigated both in a ferromagnetic film on a layered antiferromagnetic substrate and in multilayer structures. It is shown that a domain wall broadens with increasing distance from the interface; this trend is attributed to the nontrivial dependence of the wall energy on the thickness of the layer. The structure of the domain walls in multilayer ferromagnet-layered antiferromagnet systems varies dramatically as a function of the energies of interlayer and in-layer exchange interactions between adjacent layers.

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Authors and Affiliations

  1. M. V. Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, 125047, Moscow, Russia

    V. D. Levchenko & Yu. S. Sigov

  2. Moscow State Institute of Radio Engineering, Electronics, and Automation (Technical University), 117454, Moscow, Russia

    A. I. Morozov & A. S. Sigov

Authors
  1. V. D. Levchenko
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  2. Yu. S. Sigov
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  3. A. I. Morozov
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  4. A. S. Sigov
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Additional information

Zh. Éksp. Teor. Fiz. 114, 1817–1826 (November 1998)

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Levchenko, V.D., Sigov, Y.S., Morozov, A.I. et al. “Unusual” domain walls in multilayer systems: Ferromagnet + layered antiferromagnet. J. Exp. Theor. Phys. 87, 985–990 (1998). https://doi.org/10.1134/1.558749

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  • DOI: https://doi.org/10.1134/1.558749

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