Crystal and Magnetic State of Multiferroic Composites (x)MFe2O4 + (1-x)BaTiO3, M = Ni, Co

Alexander P. Nosov; Mikhail A. Semkin; A.E. Teplykh; S.G. Bogdanov; Natali V. Urusova; Yu.N. Skryabin; Alexander N. Pirogov; Victor G. Vasiliev; Elena V. Vladimirova; Tatyana S. Karpova

doi:10.4028/www.scientific.net/SSP.233-234.371

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HomeSolid State PhenomenaSolid State Phenomena Vols. 233-234Crystal and Magnetic State of Multiferroic...

Crystal and Magnetic State of Multiferroic Composites (x)MFe₂O₄ + (1-x)BaTiO₃, M = Ni, Co

Abstract:

Multiferroic composites of (x)NiFe₂O₄ + (1-x)BaTiO₃ with x = 0.2, 0.3 and 0.4 and (x)CoFe₂O₄ + (1-x)BaTiO₃ with x = 0.2, and 0.4 have been synthesized by mixing NiFe₂O₄ (CoFe₂O₄) spinel and BaTiO₃ piezoelectric. Distribution of Ni (Co) ions on 8a and 16d positions of spinel lattice (space group F d-3m) is determined by neutron powder diffraction. Wave vector of magnetic structure of the spinel is k = 0. The dielectric permittivity of the composites was measured for the frequency range 10² – 10⁵ Hz. At low frequencies the dielectric permittivity decreased from ~940 for x = 0.2 to ~360 for 0.4.

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Periodical:

Solid State Phenomena (Volumes 233-234)

Pages:

371-374

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.233-234.371

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Online since:

July 2015

Authors:

Alexander P. Nosov, Mikhail A. Semkin*, A.E. Teplykh, S.G. Bogdanov, Natali V. Urusova, Yu.N. Skryabin, Alexander N. Pirogov, Victor G. Vasiliev, Elena V. Vladimirova, Tatyana S. Karpova

Keywords:

Composite, Crystal Structure, Magnetic State, Multiferroic, Neutron Diffraction

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