Morad Etier, Yaling Gao, V. Shvartsman, D. Lupascu, J. Landers, Heiko Wende
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Magnetoelectric properties of 0.2CoFe2O4-0.8BaTiO3 composite prepared by organic method
We have successfully synthesized CoFe2O4/BaTiO3 composite nanoparticles with core-shell structure using a new organosol crystallization method. The weight fraction of the ferroelectric and the ferrimagnetic phase was 80% and 20%, respectively. The nanopowders were sintered to form a ceramic composite. The ceramics exhibits the magnetoelectric effect. The value of the converse magnetoelectric coefficient αc measured by a modified SQUID susceptometer reaches 4.4·10-12 s·m-1 at the magnetic field μ0Hdc = 0.15 T and T = 285 K.
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