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Synthesis and magnetic properties of polycrystalline films of Co x Fe y Cr3 − x − y O4 and Cr2O3/CoFe2O4 multiferroics

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Abstract

Magnetic properties of first obtained polycrystalline films of FeCr2O4, CoCr2O4, and CoFe0.5Cr1.5O4 multiferroics and films of a Cr2O3/CoFe2O4 composite multiferroic have been studied. In particular, magnetization curves and temperature dependences of the magnetic moment of the samples were measured in the temperature range 4.2–300 K in fields of up to 10 kOe. It was shown that the Curie point of a multiferroic depends on its cation composition. It was found that an exchange bias of the hysteresis loop exists in films of the Cr2O3/CoFe2O4 composite multiferroic at temperatures below the Néel point of Cr2O3 (330 K).

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Authors and Affiliations

  1. Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russia

    K. P. Polyakova, V. V. Polyakov, D. A. Velikanov, G. Yu. Yurkin & G. S. Patrin

  2. Siberian Federal University, Krasnoyarsk, 660041, Russia

    K. P. Polyakova, V. V. Polyakov, D. A. Velikanov, G. Yu. Yurkin & G. S. Patrin

Authors
  1. K. P. Polyakova
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  2. V. V. Polyakov
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  3. D. A. Velikanov
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  4. G. Yu. Yurkin
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  5. G. S. Patrin
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Corresponding author

Correspondence to K. P. Polyakova.

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Original Russian Text © K.P. Polyakova, V.V. Polyakov, D.A. Velikanov, G.Yu. Yurkin, G.S. Patrin, 2014, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 40, No. 15, pp. 6–13.

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Polyakova, K.P., Polyakov, V.V., Velikanov, D.A. et al. Synthesis and magnetic properties of polycrystalline films of Co x Fe y Cr3 − x − y O4 and Cr2O3/CoFe2O4 multiferroics. Tech. Phys. Lett. 40, 632–635 (2014). https://doi.org/10.1134/S1063785014080136

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  • DOI: https://doi.org/10.1134/S1063785014080136

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