Dielectric behavior of TiC–PVDF nanocomposites | Zendy

Wang Fajun | Zendy; Zhou Dongxiang | Zendy; Gong Shuping | Zendy

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Dielectric behavior of TiC–PVDF nanocomposites

Author(s) -

Wang Fajun,

Zhou Dongxiang,

Gong Shuping

Publication year - 2009

Publication title -

physica status solidi (rrl) – rapid research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.786

H-Index - 68

eISSN - 1862-6270

pISSN - 1862-6254

DOI - 10.1002/pssr.200802232

Subject(s) - dielectric , materials science , percolation threshold , composite material , nanocomposite , percolation (cognitive psychology) , volume fraction , composite number , percolation theory , hot pressing , filler (materials) , dielectric loss , high κ dielectric , conductivity , electrical resistivity and conductivity , chemistry , electrical engineering , optoelectronics , neuroscience , biology , engineering

TiC/PVDF nanocomposite is prepared via simple blending and hot pressing route. Percolation theory was employed to explain the dielectric behavior of the TiC/PVDF composites. The dependence of the dielectric properties of the composite on both volume fraction of the filler and frequency is investigated. High dielectric constant ( ϵ = 540) and low loss (tan δ = 0.48) of the composites at 100 Hz have been observed near the percolation threshold (0.12). The composites show a weak frequency dependence towards the high frequency range (10–100 kHz), regardless of the TiC content. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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