A novel nanostructure and multiferroic properties in Pb(Zr0.52Ti0.48)O3/CoFe2O4nanocomposite films grown by pulsed-laser deposition

J. X. Zhang; Jiyan Dai; W. Lu; H. L.W. Chan; B. Wu; D. X. Li

doi:10.1088/0022-3727/41/23/235405

A novel nanostructure and multiferroic properties in Pb(Zr_0.52Ti_0.48)O₃/CoFe₂O₄nanocomposite films grown by pulsed-laser deposition

J. X. Zhang, Jiyan Dai, W. Lu, H. L.W. Chan, B. Wu, D. X. Li

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

41 Citations (Scopus)

Abstract

Multiferroic nanocomposite thin films containing Pb(Zr0.52Ti0.48)O3(PZT) and CoFe2O4(CFO) with a novel nanostructure are deposited on (1 0 0)-oriented Nb-doped SrTiO3(STO) substrates by pulsed-laser deposition. Structural characterizations show that only PZT and CFO phases exist in the composite films, and the perovskite-structured PZT nano-pyramids with diameters of 50-100 nm are randomly embedded in the spinel-structured polycrystalline CFO matrix. Ferroelectric and magnetic hysteresis loops are simultaneously observed at room temperature. Magnetic-field-dependent capacitance measurement reveals an increase in capacitance of about 1.46% with an applied magnetic field. The multiferroic properties in the nanocomposite are also characterized by ferroelectric and magnetic domain imaging in the local areas of the sample.

Original language	English
Article number	235405
Journal	Journal of Physics D: Applied Physics
Volume	41
Issue number	23
DOIs	https://doi.org/10.1088/0022-3727/41/23/235405
Publication status	Published - 1 Dec 2008

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

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10.1088/0022-3727/41/23/235405

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abstract = "Multiferroic nanocomposite thin films containing Pb(Zr0.52Ti0.48)O3(PZT) and CoFe2O4(CFO) with a novel nanostructure are deposited on (1 0 0)-oriented Nb-doped SrTiO3(STO) substrates by pulsed-laser deposition. Structural characterizations show that only PZT and CFO phases exist in the composite films, and the perovskite-structured PZT nano-pyramids with diameters of 50-100 nm are randomly embedded in the spinel-structured polycrystalline CFO matrix. Ferroelectric and magnetic hysteresis loops are simultaneously observed at room temperature. Magnetic-field-dependent capacitance measurement reveals an increase in capacitance of about 1.46% with an applied magnetic field. The multiferroic properties in the nanocomposite are also characterized by ferroelectric and magnetic domain imaging in the local areas of the sample.",

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AU - Zhang, J. X.

AU - Dai, Jiyan

AU - Lu, W.

AU - Chan, H. L.W.

AU - Wu, B.

AU - Li, D. X.

PY - 2008/12/1

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N2 - Multiferroic nanocomposite thin films containing Pb(Zr0.52Ti0.48)O3(PZT) and CoFe2O4(CFO) with a novel nanostructure are deposited on (1 0 0)-oriented Nb-doped SrTiO3(STO) substrates by pulsed-laser deposition. Structural characterizations show that only PZT and CFO phases exist in the composite films, and the perovskite-structured PZT nano-pyramids with diameters of 50-100 nm are randomly embedded in the spinel-structured polycrystalline CFO matrix. Ferroelectric and magnetic hysteresis loops are simultaneously observed at room temperature. Magnetic-field-dependent capacitance measurement reveals an increase in capacitance of about 1.46% with an applied magnetic field. The multiferroic properties in the nanocomposite are also characterized by ferroelectric and magnetic domain imaging in the local areas of the sample.

AB - Multiferroic nanocomposite thin films containing Pb(Zr0.52Ti0.48)O3(PZT) and CoFe2O4(CFO) with a novel nanostructure are deposited on (1 0 0)-oriented Nb-doped SrTiO3(STO) substrates by pulsed-laser deposition. Structural characterizations show that only PZT and CFO phases exist in the composite films, and the perovskite-structured PZT nano-pyramids with diameters of 50-100 nm are randomly embedded in the spinel-structured polycrystalline CFO matrix. Ferroelectric and magnetic hysteresis loops are simultaneously observed at room temperature. Magnetic-field-dependent capacitance measurement reveals an increase in capacitance of about 1.46% with an applied magnetic field. The multiferroic properties in the nanocomposite are also characterized by ferroelectric and magnetic domain imaging in the local areas of the sample.

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A novel nanostructure and multiferroic properties in Pb(Zr_0.52Ti_0.48)O₃/CoFe₂O₄nanocomposite films grown by pulsed-laser deposition

Abstract

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