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Ferroelectric and dielectric properties of ferrite-ferroelectric ceramic composites
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10.1063/1.4792494
/content/aip/journal/jap/113/7/10.1063/1.4792494
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792494
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

X-ray diffractograms of xNiFe2O4-(1 − x)PZTNb with various x= 2%, 10%, 20%, 30%, 50%, 70%, and 100% concentrations.

Image of FIG. 2.
FIG. 2.

SEM micrograph on surface and in fracture of xNiFe2O4-(1 − x)PZTNb ceramic composites for (a) x = 2%, (b) x = 30%, and (c) x = 70%.

Image of FIG. 3.
FIG. 3.

Temperature dependence of (a) relative permittivity (ε) and (b) dielectric losses (tan δ) for xNF-(1 − x)PZTNb with different addition of Ni ferrite, at 1 MHz.

Image of FIG. 4.
FIG. 4.

Frequency dependence of (a) real part of permittivity (ε′), (b) imaginary part of permittivity (ε″), and (c) tangent losses (tanδ) of xNF-(1 − x)PZTNb composites with different concentration of Ni ferrite, at room temperature.

Image of FIG. 5.
FIG. 5.

Complex impedance spectra of xNF-(1 − x)PZTNb ceramic composites with x = 2, 10, 20, 30, 50, and 70 wt. %, at room temperature.

Image of FIG. 6.
FIG. 6.

(a) Frequency dependence of the effective conductivity and (b) plot of log(σACDC) versus logω2 for xNF-(1 − x)PZTNb ceramic composites with x= 2, 10, 20, 30, 50, and 70 wt. %.

Image of FIG. 7.
FIG. 7.

P-E hysteresis loop of (a) for pure PZTNb and (b) xNF-(1 − x)PZTNb ceramic composites with x= 2, 10, 20, and 30 wt. % at 10 Hz.

Image of FIG. 8.
FIG. 8.

Frequency dependences of the real part (a) and imaginary part (b) of permeability at room temperature, in xNF-(1 − x)PZTNb ceramic composites.

Image of FIG. 9.
FIG. 9.

(a) Magnetization-magnetic field hysteresis loops of xNF-(1 − x)PZTNb magnetoelectric composites with different compositions and (b) their saturation magnetization and coercive fields.

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/content/aip/journal/jap/113/7/10.1063/1.4792494
2013-02-20
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ferroelectric and dielectric properties of ferrite-ferroelectric ceramic composites
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792494
10.1063/1.4792494
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