Dielectric Dispersion in Ultrathin Ferroelectric Polymer Films

Dynamic dielectric measurements were carried out for Langmuir-Blodgett films based on vinylidene fluoride with trifluoroethylene copolymers P(VDF/TrFE). Debye-type dielectric relaxation has been revealed for all films of different composition and thickness. The values of the relaxation time and the...

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Bibliographic Details
Published in:Ferroelectrics 2009-05, Vol.379 (1), p.144-150
Main Authors: Verkhovskaya, K. A., Plakseev, A. A., Lotonov, A. M., Gavrilova, N. D.
Format: Article
Language:English
Subjects:
Conductivity
dielectric relaxation
Dielectrics
ferroelectric polymer
Ferroelectrics
Frequencies
Langmuir-Blodgett films
Polymer films
Temperature
Thin films
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Summary:Dynamic dielectric measurements were carried out for Langmuir-Blodgett films based on vinylidene fluoride with trifluoroethylene copolymers P(VDF/TrFE). Debye-type dielectric relaxation has been revealed for all films of different composition and thickness. The values of the relaxation time and the damping coefficient depend on the film thickness. Frequency and temperature dependences of conductivity have been investigated.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150190902851986