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Synthesis, Structure and Magnetic Properties of Multilayer Nanoheterostructures Fe|MgO|Cr|MgO|Fe

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Abstract

Layered nanoheterostructure Fe|MgO|Cr|MgO|Fe is an artificial ferromagnetic material in which exchange interaction of magnetic moments in the iron layers through intermediate dielectric and metal layers can lead to magnetic configurations which do not appear in well-studied systems Fe|MgO|Fe and Fe|Cr|Fe. In this work correlations of the structural and magnetic properties of layered nanoheterostructures Fe(10 nm)|MgO(1.5 nm)|Cr(t nm)|MgO(1.5 nm)|Fe(7 nm) (with the thickness t being 0.9 and 1.8 nm) were studied. Structural studies made using high-resolution X-ray diffractometry and reflectometry proved the formation of a texturized structure and revealed its prominent layered character with clear interfaces between the layers.

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ACKNOWLEDGMENTS

Synthesis, magnetometry and X-ray studies were performed at the Center for shared facilities at the Institute of Metal Physics (Ural Branch, Russian Academy of Sciences). Experiments on reflectometry of polarized neutrons were performed on the NREX instrument of the research reactor FRM II (Garching, Germany).

Funding

The work was supported by the state contract of the Ministry of Science and Higher Education of the Russian Federation (topic “Spin” no. AAAA-A18-118020290104-2) and by the Russian Foundation for Basic Research (project no. 19-02-00674).

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Authors and Affiliations

  1. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, 620108, Yekaterinburg, Russia

    E. M. Yakunina, E. A. Kravtsov, N. O. Antropov & V. V. Proglyado

  2. Ural Federal University, 620002, Yekaterinburg, Russia

    E. A. Kravtsov & N. O. Antropov

  3. Max Planck Institute for Solid State Research, Heisenbergstraße 1, 70569, Stuttgart, Germany

    Yu. N. Khaydukov

  4. Max Planck Society Outstation at the MLZ, Research Neutron Source Heinz Maier-Leibnitz (FRM II), Lichtenbergstraße 1, 85748, Garching, Germany

    Yu. N. Khaydukov

Authors
  1. E. M. Yakunina
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  2. E. A. Kravtsov
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  3. Yu. N. Khaydukov
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  4. N. O. Antropov
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  5. V. V. Proglyado
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Corresponding author

Correspondence to E. M. Yakunina.

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The authors declare that they have no conflicts of interest.

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Translated by S. Efimov

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Yakunina, E.M., Kravtsov, E.A., Khaydukov, Y.N. et al. Synthesis, Structure and Magnetic Properties of Multilayer Nanoheterostructures Fe|MgO|Cr|MgO|Fe. Phys. Solid State 63, 1584–1587 (2021). https://doi.org/10.1134/S1063783421090456

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  • DOI: https://doi.org/10.1134/S1063783421090456

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