Critical Dependence of Polarization Phenomena on Conductivity in Ferroelectric Polymers

Fedosov, S.N.; Seggern, H.

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Title	Critical Dependence of Polarization Phenomena on Conductivity in Ferroelectric Polymers
Authors	Fedosov, S.N. Seggern, H.
ORCID
Keywords	Polarization Сonductivity Space charge PVDF Ferroelectric polymers
Type	Article
Date of Issue	2013
URI	http://essuir.sumdu.edu.ua/handle/123456789/35546
Publisher	Sumy State University
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Citation	Fedosov, S. N. Critical Dependence of Polarization Phenomena on Conductivity in Ferroelectric Polymers [Текст] / S. N. Fedosov, H. Seggern // Журнал нано- та електронної фізики. - 2013. - Т.5, №4, Ч.ІІ. - 04056.
Abstract	Experimentally obtained data on the polarization dynamics in polyvinylidene fluoride, a typical ferroe-lectric polymer, are analyzed during initial poling, short circuiting and polarization switching. Considering a two-component structure of the samples, namely, presence of ferroelectric and non-ferroelectric phases, it is shown that value and stability of the ferroelectric polarization significantly depend on conductivity and space charges. Application of a simple two-layer theoretical model with an explicit conductivity allowed ex-plaining such important features, as slow development and switching of the ferroelectric polarization and a partial back-switching of the already formed polarization after short-circuiting of the sample. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35546
Appears in Collections:	Журнал нано- та електронної фізики (Journal of nano- and electronic physics)