Journal
FERROELECTRICS
Volume 448, Issue 1, Pages 77-85Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00150193.2013.822292
Keywords
Mutliferroics; magnetoelectric effect; composite
Funding
- Deutscher Akademischer Austauschdienst (DAAD)
- DAAD-GRISEC program [50750877]
- Deutsche Forschungsgemeinschaft (DFG) [Lu729/12]
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In this paper we report on a new approach to synthesize core/shell cobalt iron oxide/barium titanate composite nanoparticles combining the co-precipitation and organosol crystallization techniques. The weight fraction of CoFe2O4 and BaTiO3 was 20% and 80% respectively. The obtained core/shell powder was used to sinter (0-3) composite multiferroic ceramics. Ferroelectric, magnetic, and magnetoelectric properties of the ceramics were studied. It was found that the value of the converse magnetoelectric coefficient, alpha(c), reaches 4.4 center dot 10(-12) s center dot m(-1) at the magnetic field mu H-0(dc) = 0.15 T and T = 285 K.
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