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FeCo/C nanocomposites: Synthesis, magnetic and electromagnetic properties

  • Physical Methods of Investigation
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Abstract

FeCo alloy nanoparticles encapsulated in the carbon matrix of metal–carbon nanocomposites have been manufactured under IR heating. The size of FeCo nanoparticles have been found to be tailored by varying synthesis temperature and metal concentration. The saturation magnetization has been shown to increase as the synthesis temperature or metal concentration rises, with an attendant decrease in coercive force. The electromagnetic properties of FeCo/C nanocomposites have been studied. Complex magnetic permittivity measurements have shown that variation of the synthesis temperature or metal concentration can appreciably increase magnetic loss, which leads to a shift of the band of minimum electromagnetic reflectivity in the frequency range 3–12 GHz.

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Authors and Affiliations

  1. MISiS National Research and Technology University, Moscow, 119049, Russia

    L. V. Kozhitov, D. G. Muratov & V. G. Kostishin

  2. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, 119991, Russia

    D. G. Muratov

  3. Radio Measurements Shared Facility Center, National Research Tomsk State University, Tomsk, 634050, Russia

    V. I. Suslyaev

  4. Radioelectronics Department, National Research Tomsk State University, Tomsk, 634050, Russia

    E. Yu. Korovin

  5. Tver State University, Tver, 170100, Russia

    A. V. Popkova

Authors
  1. L. V. Kozhitov
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  2. D. G. Muratov
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  3. V. G. Kostishin
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  4. V. I. Suslyaev
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  5. E. Yu. Korovin
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  6. A. V. Popkova
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Corresponding author

Correspondence to L. V. Kozhitov.

Additional information

Original Russian Text © L.V. Kozhitov, D.G. Muratov, V.G. Kostishin, V.I. Suslyaev, E.Yu. Korovin, A.V. Popkova, 2017, published in Zhurnal Neorganicheskoi Khimii, 2017, Vol. 62, No. 11, pp. 1507–1514.

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Kozhitov, L.V., Muratov, D.G., Kostishin, V.G. et al. FeCo/C nanocomposites: Synthesis, magnetic and electromagnetic properties. Russ. J. Inorg. Chem. 62, 1499–1507 (2017). https://doi.org/10.1134/S0036023617110110

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  • DOI: https://doi.org/10.1134/S0036023617110110

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