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

Raidongia, Kalyan ; Nag, Angshuman ; Sundaresan, A. ; Rao, C. N. R. (2010) Multiferroic and magnetoelectric properties of core-shell CoFe2O4@BaTiO3 nanocomposites Applied Physics Letters, 97 (6). 062904_1-062904_3. ISSN 0003-6951

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Official URL: http://apl.aip.org/resource/1/applab/v97/i6/p06290...

Related URL: http://dx.doi.org/10.1063/1.3478231

Abstract

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.

Item Type:Article
Source: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
ID Code:43439
Deposited On:11 Jun 2011 12:55
Last Modified:11 Jun 2011 12:55

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