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Multiferroic and magnetoelectric properties of core-shell CoFe2O4@BaTiO3 nanocomposites

Raidongia, Kalyan and Nag, Angshuman and Sundaresan, A and Rao, CNR (2010) Multiferroic and magnetoelectric properties of core-shell CoFe2O4@BaTiO3 nanocomposites. In: Applied Physics Letters, 97 (6). 062904-1-062904-3.

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Core-shell CoFe2O4@BaTiO3 nanoparticles and nanotubes have been prepared using a combination of solution processing and high temperature calcination. Both the core-shell nanostructures exhibit magnetic and dielectric hysteresis at room temperature and magnetoelectric effect. The dielectric constant of both the nanocomposites decreases upon application of magnetic field. The core-shell nanoparticles exhibit 1.7% change in magnetocapacitance around 134 K at 1 T, while the core-shell nanotubes show a remarkable 4.5% change in magnetocapacitance around 310 K at 2 T.(C) 2010 American Institute of Physics. [doi:10.1063/1.3478231].

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Institute of Physics.
Keywords: Barium compounds;calcination; cobalt compounds; dielectric hysteresis; magnetic hysteresis; magnetoelectric effects; multiferroics; nanocomposites; nanoparticles; nanotubes; permittivity.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: Id for Latest eprints
Date Deposited: 08 Sep 2010 07:12
Last Modified: 19 Sep 2010 06:15
URI: http://eprints.iisc.ac.in/id/eprint/32034

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