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Dielectric properties of upright carbon fiber filled poly(vinylidene fluoride) composite with low percolation threshold and weak temperature dependence
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10.1063/1.2770664
/content/aip/journal/apl/91/7/10.1063/1.2770664
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/7/10.1063/1.2770664
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) SEM micrographs of CF and (b) fractured cross-surface morphology of the CF/PVDF composites with 0.056 volume fraction of CF.

Image of FIG. 2.
FIG. 2.

Variation of the dielectric constant of the CF/PVDF composites on the volume fraction of CF at , and the inset in Fig. 2 shows fit of the dielectric constant to Eq. (1). The right side of Fig. 2 is the schematic images to show the formation of microcapacitors and the conductive network with the increasing concentration of CF.

Image of FIG. 3.
FIG. 3.

Dependence of the (a) dielectric constant, (b) dielectric loss tangent, and (c) conductivity on frequency at room temperature.

Image of FIG. 4.
FIG. 4.

Temperature dependence of dielectric constant of the CF/PVDF composites at different frequencies.

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/content/aip/journal/apl/91/7/10.1063/1.2770664
2007-08-17
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dielectric properties of upright carbon fiber filled poly(vinylidene fluoride) composite with low percolation threshold and weak temperature dependence
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/7/10.1063/1.2770664
10.1063/1.2770664
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