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Kerr Microscopy Study of Magnetic Phase Transition in Fe49Rh51

  • ELECTRICAL AND MAGNETIC PROPERTIES
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Abstract

Magnetic phase transition in Fe49Rh51 was studied using wide-field Kerr microscopy. In zero magnetic field, temperature dependences of rotation of polarization plane on the sample surface are obtained. The analysis of the obtained data shows that the temperature of the AFM–FM phase transition is TN, heat = 323.5 K, and that of the reverse FM–AFM phase transition is TN, cool = 317 K. In a magnetic field of 0.5 T, the temperature hysteresis shifts to lower temperatures by 4 K. For the first time ever, the magnetic polar domains with a disordered labyrinthine shape are found on the sample surface.

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Funding

The work is supported by the mutual program of the Ministry of Science and Higher Education of the Russian Federation and German Exchange Academic Service DAAD “Michael Lomonosov/Immanuel Kant” (Project no. 2295-21).

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Authors and Affiliations

  1. Dagestan State University, 367000, Makhachkala, Russia

    T. A. Taaev

  2. H. Amirkhanov Institute of Physics (Daghestan Federal Research Center RAS), 367015, Makhachkala, Russia

    T. A. Taaev, A. A. Amirov & A. M. Aliev

  3. Immanuel Kant Baltic Federal University, 236041, Kaliningrad, Russia

    A. A. Amirov

  4. Technische Universität Darmstadt, 64287, Darmstadt, Germany

    A. Chirkova & I. V. Soldatov

  5. Institute for Metallic Materials, Leibniz Institute for Solid State and Materials Research (IFW) Dresden, D-01069, Dresden, Germany

    I. V. Soldatov & R. Schäfer

  6. Material Science Institute, Technische Universität Dresden, 01062, Dresden, Germany

    R. Schäfer

Authors
  1. T. A. Taaev
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  2. A. A. Amirov
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  3. A. M. Aliev
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  4. A. Chirkova
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  5. I. V. Soldatov
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  6. R. Schäfer
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Correspondence to T. A. Taaev.

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Translated by O. Golovnya

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Taaev, T.A., Amirov, A.A., Aliev, A.M. et al. Kerr Microscopy Study of Magnetic Phase Transition in Fe49Rh51. Phys. Metals Metallogr. 123, 402–406 (2022). https://doi.org/10.1134/S0031918X22040123

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  • DOI: https://doi.org/10.1134/S0031918X22040123

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