Multiferroid properties of hexagonal barium ferrites


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Abstract

Samples of BaFe12O19 with high multiferroid properties at room temperature (maximum polarization Pm = 48.0–9.5 μQ/cm2, residual polarization Pr = 28.0–29.5 μQ/cm2, and electric coercive field Еc = 115–120 kV/m) have been obtained for the first time using a modified ceramic technology (based on highpurity raw materials and sintering in an oxygen atmosphere with a B2O3 addition). A mechanism for the explanation of the multiferroid properties obtained has been suggested; the large practical importance of the results obtained is noted.

About the authors

V. G. Kostishin

National University of Science and Technology “MISiS”

Author for correspondence.
Email: drvgkostishyn@mail.ru
Russian Federation, Leninskii pr. 4, Moscow, 119049

A. V. Timofeev

National University of Science and Technology “MISiS”

Email: drvgkostishyn@mail.ru
Russian Federation, Leninskii pr. 4, Moscow, 119049

A. N. Kovalev

National University of Science and Technology “MISiS”

Email: drvgkostishyn@mail.ru
Russian Federation, Leninskii pr. 4, Moscow, 119049

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