Multifunctional hybrid structures of ferromagnetic FePt and ferroelectric BaTiO sub(3) nanoparticles: facile synthesis and characterization

Nanohybrid structures of FePt and BaTiO sub(3) with bifunctional properties were synthesized by a two step synthesis procedure including solid state and solvothermal methods. Two different compositions of FePt and BaTiO sub(3) nanoparticle samples were synthesized. The hybrid composite, having the l...

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Bibliographic Details
Published in:RSC advances 2012-12, Vol.3 (2), p.596-602
Main Authors: Majeed, Jerina, Jayakumar, O D, Salunke, H G, Mandal, Balaji P, Lawes, G, Naik, R, Tyagi, A K
Format: Article
Language:English
Subjects:
Barium titanates
Ferroelectricity
Ferrous alloys
Intermetallics
Iron compounds
Nanostructure
Platinum compounds
Synthesis
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Summary:Nanohybrid structures of FePt and BaTiO sub(3) with bifunctional properties were synthesized by a two step synthesis procedure including solid state and solvothermal methods. Two different compositions of FePt and BaTiO sub(3) nanoparticle samples were synthesized. The hybrid composite, having the lower FePt concentration, exhibited bifunctionality including superparamagnetism with a blocking temperature near room temperature and ferroelectricity at ambient conditions. Magnetocapacitive measurements of this bifunctional FePt-BiTiO sub(3) sample showed behaviour typical of weak magnetoelectric coupling. This synthetic approach provides a general method for preparing advanced multifunctional and technologically important ceramic-alloy hybrids.
ISSN:2046-2069
DOI:10.1039/c2ra21972g