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High dielectric permittivity in semiconducting filled polyvinylidene fluoride nanocomposites with low percolation threshold
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10.1063/1.3196550
/content/aip/journal/apl/95/6/10.1063/1.3196550
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/6/10.1063/1.3196550
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) XRD pattern of PCMO nanoparticles. The inset shows temperature dependence of the conductivity of PCMO. (b) FESEM image of PCMO nanoparticles. The inset shows the TEM image of PCMO nanoparticles. (c) FESEM image of PCMO/PVDF nanoblends near the percolation threshold.

Image of FIG. 2.
FIG. 2.

Variation in the effective conductivity and effective dielectric permittivity as a function of the volume fraction. Inset: critical exponent fitting of the (a) effective conductivity and (b) dielectric permittivity below the percolation threshold.

Image of FIG. 3.
FIG. 3.

Frequency response of (a) dielectric permittivity, (b) conductivity, and (c) dielectric loss for different volume fractions. Inset (a) shows the temperature dependence of for 0.11 volume fraction sample Inset (b) shows best fit of values for to Eq. (3).

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/content/aip/journal/apl/95/6/10.1063/1.3196550
2009-08-10
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High dielectric permittivity in semiconducting Pr0.6Ca0.4MnO3 filled polyvinylidene fluoride nanocomposites with low percolation threshold
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/6/10.1063/1.3196550
10.1063/1.3196550
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