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SEM micrographs of (a) SiC-CNTs hybrids and (b) fractured cross-surface of the SiC-CNTs/PVDF composite with 0.26 vol % of CNTs. The areas related to SiC, CNTs, and PVDF matrix are indicated by arrows.
Dielectric permittivity and loss tangent of the SiC-CNTs/PVDF composites as a function of , measured at 100 Hz and at room temperature. The inset shows the best fit of the dielectric permittivity of the SiC-CNTs/PVDF composites to Eq. (1).
Dependence of (a) the dielectric permittivity, (b) ac conductivity, and (c) loss tangent of the SiC-CNTs/PVDF composites on frequency at room temperature. The inset shows the best fit of the ac conductivity of the SiC-CNTs/PVDF composite with 1.42 vol % of CNTs to Eq. (2).
The concentrations for each component in the SiC-CNTs/PVDF composites.
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