The effect of magnetic nanoparticles on the morphology, ferroelectric, and magnetoelectric behaviors of CFO/P(VDF-TrFE) 0-3 nanocomposites

J. X. Zhang; Jiyan Dai; L. C. So; C. L. Sun; C. Y. Lo; Siu Wing Or; H. L W Chan

doi:10.1063/1.3078111

The effect of magnetic nanoparticles on the morphology, ferroelectric, and magnetoelectric behaviors of CFO/P(VDF-TrFE) 0-3 nanocomposites

J. X. Zhang, Jiyan Dai, L. C. So, C. L. Sun, C. Y. Lo, Siu Wing Or, H. L W Chan

Research output: Journal article publication › Journal article › Academic research › peer-review

91 Citations (Scopus)

Abstract

Multiferroic nanocomposite films composed of P(VDF-TrFE) copolymer and CoFe2 O4 (CFO) nanoparticles have been prepared by a modified polymeric processing. Structural characterizations reveal that CFO nanoparticles with 80-100 nm diameters are well distributed in the P(VDF-TrFE) matrix. The crystalline and microstructure of P(VDF-TrFE) are strongly dependent on the volume fraction of CFO nanoparticles, which are further analyzed by Raman spectra. Consequently, the ferroelectric and magnetoelectric responses are strongly influenced by the concentration of CFO nanoparticles. A significant magnetoelectric coupling effect of around 40 mV/cm Oe is obtained from the nanocomposites. A relatively simple model has been adopted to calculate the magnetoelectric coefficient, which is also in agreement with the experimental results.

Original language	English
Article number	054102
Journal	Journal of Applied Physics
Volume	105
Issue number	5
DOIs	https://doi.org/10.1063/1.3078111
Publication status	Published - 24 Mar 2009

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.3078111

http://hdl.handle.net/10397/3273

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abstract = "Multiferroic nanocomposite films composed of P(VDF-TrFE) copolymer and CoFe2 O4 (CFO) nanoparticles have been prepared by a modified polymeric processing. Structural characterizations reveal that CFO nanoparticles with 80-100 nm diameters are well distributed in the P(VDF-TrFE) matrix. The crystalline and microstructure of P(VDF-TrFE) are strongly dependent on the volume fraction of CFO nanoparticles, which are further analyzed by Raman spectra. Consequently, the ferroelectric and magnetoelectric responses are strongly influenced by the concentration of CFO nanoparticles. A significant magnetoelectric coupling effect of around 40 mV/cm Oe is obtained from the nanocomposites. A relatively simple model has been adopted to calculate the magnetoelectric coefficient, which is also in agreement with the experimental results.",

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AU - Zhang, J. X.

AU - Dai, Jiyan

AU - So, L. C.

AU - Sun, C. L.

AU - Lo, C. Y.

AU - Or, Siu Wing

AU - Chan, H. L W

PY - 2009/3/24

Y1 - 2009/3/24

N2 - Multiferroic nanocomposite films composed of P(VDF-TrFE) copolymer and CoFe2 O4 (CFO) nanoparticles have been prepared by a modified polymeric processing. Structural characterizations reveal that CFO nanoparticles with 80-100 nm diameters are well distributed in the P(VDF-TrFE) matrix. The crystalline and microstructure of P(VDF-TrFE) are strongly dependent on the volume fraction of CFO nanoparticles, which are further analyzed by Raman spectra. Consequently, the ferroelectric and magnetoelectric responses are strongly influenced by the concentration of CFO nanoparticles. A significant magnetoelectric coupling effect of around 40 mV/cm Oe is obtained from the nanocomposites. A relatively simple model has been adopted to calculate the magnetoelectric coefficient, which is also in agreement with the experimental results.

AB - Multiferroic nanocomposite films composed of P(VDF-TrFE) copolymer and CoFe2 O4 (CFO) nanoparticles have been prepared by a modified polymeric processing. Structural characterizations reveal that CFO nanoparticles with 80-100 nm diameters are well distributed in the P(VDF-TrFE) matrix. The crystalline and microstructure of P(VDF-TrFE) are strongly dependent on the volume fraction of CFO nanoparticles, which are further analyzed by Raman spectra. Consequently, the ferroelectric and magnetoelectric responses are strongly influenced by the concentration of CFO nanoparticles. A significant magnetoelectric coupling effect of around 40 mV/cm Oe is obtained from the nanocomposites. A relatively simple model has been adopted to calculate the magnetoelectric coefficient, which is also in agreement with the experimental results.

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The effect of magnetic nanoparticles on the morphology, ferroelectric, and magnetoelectric behaviors of CFO/P(VDF-TrFE) 0-3 nanocomposites

Abstract

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