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Monte Carlo study of magnetization reversal in the model of a hard/soft magnetic bilayer

  • Order, Disorder, and Phase Transition in Condensed System
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Abstract

Magnetization reversal in the model of a hard/soft magnetic bilayer under the action of an external magnetic field has been investigated by the Monte Carlo method. Calculations have been performed for three systems: (i) the model without a soft-magnetic layer (hard-magnetic layer), (ii) the model with a soft-magnetic layer of thickness 25 atomic layers (predominantly exchange-coupled system), and (iii) with 50 (weak exchange coupling) atomic layers. The effect of a soft-magnetic phase on the magnetization reversal of the magnetic bilayer and on the formation of a 1D spin spring in the magnetic bilayer has been demonstrated. An inf lection that has been detected on the arch of the hysteresis loop only for the system with weak exchange coupling is completely determined by the behavior of the soft layer in the external magnetic field. The critical fields of magnetization reversal decrease with increasing thickness of the soft phase.

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Authors and Affiliations

  1. Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences, Makhachkala, 367003, Russia

    T. A. Taaev, K. Sh. Khizriev & A. K. Murtazaev

  2. Dagestan State University, Makhachkala, 367000, Russia

    K. Sh. Khizriev & A. K. Murtazaev

Authors
  1. T. A. Taaev
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  2. K. Sh. Khizriev
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  3. A. K. Murtazaev
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Correspondence to T. A. Taaev.

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Original Russian Text © T.A. Taaev, K.Sh. Khizriev, A.K. Murtazaev, 2017, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2017, Vol. 151, No. 6, pp. 1084–1091.

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Taaev, T.A., Khizriev, K.S. & Murtazaev, A.K. Monte Carlo study of magnetization reversal in the model of a hard/soft magnetic bilayer. J. Exp. Theor. Phys. 124, 924–931 (2017). https://doi.org/10.1134/S1063776117050168

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  • DOI: https://doi.org/10.1134/S1063776117050168

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