Dielectric spectroscopy of ultrathin ferroelectric polymer films

The dielectric dispersion of poly(vinylidene fluoride-trifluoroethylene) copolymer films prepared using the Langmuir-Blodgett technique is studied. All films of different compositions and thicknesses undergo a Debye-type dielectric relaxation. The phenomenon of critical slowing down is investigated....

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Bibliographic Details
Published in:Physics of the solid state 2009-07, Vol.51 (7), p.1370-1373
Main Authors: Verkhovskaya, K. A., Plakseev, A. A., Lotonov, A. M., Gavrilova, N. D., Yudin, S. G.
Format: Article
Language:English
Subjects:
2008
June 9–14
Physics
Physics and Astronomy
Proceeding of The XVIII All-Russia Conference on Physics of Ferroelectrics (VKS-XVIII) (St. Petersburg
Russia
Solid State Physics
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Summary:The dielectric dispersion of poly(vinylidene fluoride-trifluoroethylene) copolymer films prepared using the Langmuir-Blodgett technique is studied. All films of different compositions and thicknesses undergo a Debye-type dielectric relaxation. The phenomenon of critical slowing down is investigated. It is found that the relaxation time τ and the kinetic coefficient ξ depend on the thickness of the film.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783409070129