Advances in materials Research

  • 제1권4호
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  • Pages.285-297
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  • 2012
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  • 2234-0912(pISSN)
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  • 2234-179X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Concentration dependent dielectric properties of Barium Titanate/Polyvenylidene Fluoride (PVDF) and (Bi0.5Na0.5)0.94Ba0.06TiO3/Poly(VDF-TrFE) composite

  • Roy, Ansu K. (University Department of Physics, T. M. Bhagalpur University) ;
  • Ahmad, Z. (University Department of Physics, T. M. Bhagalpur University) ;
  • Prasad, A. (University Department of Physics, T. M. Bhagalpur University) ;
  • Prasad, K. (Centre for Applied Physics, Central University of Jharkhand)
  • 투고 : 2012.06.26
  • 심사 : 2012.09.13
  • 발행 : 2012.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

The present study addresses the problem of quantitative prediction of effective complex relative permittivity of Barium Titanate/Polyvenylidene Fluoride (PVDF) and $(Bi_{0.5}Na_{0.5})_{0.94}Ba_{0.06}TiO_3$/Poly(VDF-TrFE) biphasic ceramic-polymer composites. Theoretical results for effective relative permittivity derived from several dielectric mixture equations were fitted to the experimental data taken from the works of Prasad et al. (2010), Wang et al. (2004), Takenaka et al. (1991) and Yamada et al. (1982). The study revealed that out of the different test equations, only a few equations like modified Rother-Lichtenecker equation, Dias-Dasgupta equation or Rao equation for the real part and Bruggeman equation for the imaginary part of complex permittivity well fitted the corresponding experimental results. In the present study, some of the equations were used in their original forms, while some others were modified by choosing suitable shape-dependent parameters in order to get reasonably good agreement with experimental results. Besides, the experimental results have been proposed in the form of a mathematical model using first order exponential growth, which provided excellent fits.

키워드

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피인용 문헌

  1. Electrical and magnetic properties of 0–3 Ba(Fe1∕2Nb1∕2)O3/PVDF composites vol.07, pp.06, 2017, https://doi.org/10.1142/S2010135X17500369