The Influence of γ Radiation on the Dielectric Properties of Ferroelectric Langmuir–Blodgett Films

Dielectric relaxation of Debye type has been found for thin vinylidene fluoride‒trifluoroethylene copolymer films of different composition, fabricated by the Langmuir–Blodgett (LB) technique. The influence of γ radiation on the dielectric response of LB films is studied. It is established that the r...

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Bibliographic Details
Published in:Crystallography reports 2020-07, Vol.65 (4), p.601-604
Main Authors: Verkhovskaya, K. A., Chumakova, S. P., Yudin, S. G.
Format: Article
Language:English
Subjects:
Copolymers
Crystallography and Scattering Methods
Dielectric properties
Dielectric relaxation
Ferroelectricity
Langmuir-Blodgett films
Lattice Dynamics and Phase Transitions
Phase transitions
Physics
Physics and Astronomy
Relaxation time
Vinylidene
Vinylidene fluoride
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Summary:Dielectric relaxation of Debye type has been found for thin vinylidene fluoride‒trifluoroethylene copolymer films of different composition, fabricated by the Langmuir–Blodgett (LB) technique. The influence of γ radiation on the dielectric response of LB films is studied. It is established that the relaxation time increases after the γ irradiation, the phase transition is observed at a lower temperature, and the temperature hysteresis is reduced.
ISSN:1063-7745
1562-689X
DOI:10.1134/S1063774520040240