Results 251 to 260 of about 174,861 (324)

Non-linear dielectric properties of vacuum deposited nanocrystalline polyaniline thin films

open access: yesThin Solid Films, 2006
Vacuum deposited polyaniline thin films have been found to exhibit a strong degree of non-linearity in the dielectric properties. As a function of change in the differential capacitance of metal-polymer-metal thin film capacitor upon application of d.c. bias.
S.C.K. Misra   +2 more
exaly   +5 more sources
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Non-linear dielectric properties of BiFeO3 ceramics

Applied Physics Letters, 2011
The nonlinear dielectric properties of BiFeO3 ceramics as a function of temperature were investigated. The present results demonstrate a high dielectric tunability in quite low range of the bias electric fields over a broad temperature interval around the room temperature.
Lavinia Curecheriu   +3 more
exaly   +4 more sources

Linear and non-linear dielectric properties of a short-pitch ferroelectric liquid crystal stabilized by a polymer network

open access: yesThe European Physical Journal E, 2010
Linear and non-linear dielectric measurements were carried out on a ferroelectric liquid crystal stabilized by an anisotropic polymer network. The polymerization process was achieved at room temperature. It was performed from an achiral monomer in the ferroelectric chiral smectic C phase, exhibiting a very short helical pitch and a large polarization ...
Y, Cherfi   +7 more
semanticscholar   +4 more sources

Non-linear dielectric properties in based-PMN relaxor ferroelectrics

Journal of the European Ceramic Society, 2007
Abstract The investigation of the non-linear dielectric response in ferroelectric materials has become one of the most important issues in the field of ferroelectricity due to its technological and scientific interest. Rather, from the practical point of view the understanding of the non-linear dielectric properties is essential to improve the ...
J. de Los S. Guerra   +2 more
exaly   +4 more sources

A supra-molecular switchable dielectric material with non-linear optical properties

open access: yesJournal of Materials Chemistry C, 2017
A supra-molecular crystal, 1-[C6H13NH][18-crown-6][ClO4] monohydrate, has been reported to show reversible dielectric anomalies and nonlinear optical properties, which suggests that it could be conceived as the potential switchable dielectric and non-linear optical material.
Tariq Khan   +5 more
semanticscholar   +3 more sources

Tailoring non-linear dielectric properties by local field engineering in anisotropic porous ferroelectric structures

Applied Physics Letters, 2012
A method to control the nonlinear dielectric properties in porous anisotropic ceramics is proposed. The local field distributions in anisotropic porous ceramic structures were determined and the field-induced permittivity was estimated in parallel and perpendicular configurations (with respect to the pore orientation vs.
Padurariu Leontin   +3 more
exaly   +6 more sources

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