Polarization Effect on Dielectric Response of Ferroelectric Copolymer P(VDF-TrFE)

Solnyshkin, A. V.; Kislova, I. L.; Silibin, Maxim V.; Киселев, Д. А.

doi:10.1080/00150193.2014.949151

Cited by 7 publications

(1 citation statement)

References 19 publications

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“…Measured results of dielectric permittivity and tangent loss (tan d) for the unpolarized films of P(VDF-TrFE) copolymer are equal to e = 12 ± 2 and tan d = 0.0139 ± 0.0020 [13]. After poling the ferroelectric copolymer P(VDF-TrFE) films by corona discharge, the dielectric parameters quantities decreased significantly to e = 7.9 ± 0.6 and tan d = 0.0104 ± 0.0010 [22]. It is important for pyroelectric sensors and transducers, because their sensitivity is increased.…”

Section: A Voltage Fmmentioning

confidence: 89%

Dynamic pyroelectric response of composite based on ferroelectric copolymer of poly(vinylidene fluoride-trifluoroethylene) and ferroelectric ceramics of barium lead zirconate titanate

et al. 2015

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In this work, pyroelectric properties of composite films on the basis of poly(vinylidene fluoride-trifluoroethylene) copolymer with a various level of ferroelectric ceramics inclusions of barium lead zirconate titanate solid solution were investigated by the dynamic method. The composite films were prepared by the solvent cast method. The unusual spike-like dynamic response with a quasi-stationary component was observed. It is supposed that composite films may be effectively used for pyroelectric applications.

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Section: A Voltage Fmmentioning

confidence: 89%

Dynamic pyroelectric response of composite based on ferroelectric copolymer of poly(vinylidene fluoride-trifluoroethylene) and ferroelectric ceramics of barium lead zirconate titanate

et al. 2015

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Polarization reversal in organic-inorganic ferroelectric composites: Modeling and experiment

Silibin

Belovickis

Svirskas

et al. 2015

Applied Physics Letters

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Tailoring of ferroelectric properties of copolymer P(VDF-TrFE) by incorporation of ceramic inclusions in the polymer matrix is promising for advanced applications in sensorics. We have observed experimentally that in composites of P(VDF-TrFE) with barium-doped lead zirconate titanate (BPZT), the remanent polarization increases, while the coercive field substantially decreases in comparison with the pure polymer samples. Results of simulation in framework of the modified Weiss model have shown that the changes of the hysteresis loops characteristics are due to increase of the dielectric susceptibility of the composite as compared to pure PVDF-TrFE. This originates from the strong dispersion of the mean field constant α, which describes the feedback of the polarization on the electric field at the location of the dipoles and is closely related with the local increase of composite susceptibility in the vicinity the BPZT inclusions. This phenomenon effectively becomes macro-scale due to the long-range nature of the inhomogeneous elastic and electric fields occurring at the interfaces between the matrix and inclusions.

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Dielectric response of piezoelectric film structures based on a copolymer of vinylidene fluoride with trifluoroethylene and carbon nanotubes

et al. 2021

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Polarization Effect on Dielectric Response of Ferroelectric Copolymer P(VDF-TrFE)

Cited by 7 publications

References 19 publications

Dynamic pyroelectric response of composite based on ferroelectric copolymer of poly(vinylidene fluoride-trifluoroethylene) and ferroelectric ceramics of barium lead zirconate titanate

Dynamic pyroelectric response of composite based on ferroelectric copolymer of poly(vinylidene fluoride-trifluoroethylene) and ferroelectric ceramics of barium lead zirconate titanate

Polarization reversal in organic-inorganic ferroelectric composites: Modeling and experiment

Dielectric response of piezoelectric film structures based on a copolymer of vinylidene fluoride with trifluoroethylene and carbon nanotubes

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