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Force Induced Piezoelectric Effect of Polyvinylidene Fluoride and Polyvinylidene Fluoride-Co-Trifluoroethylene Nanofibrous Scaffolds

International Journal of Artificial Organs, 2018
Polyvinylidene fluoride and its co-polymer with trifluoroethylene are promising biomaterials for supporting nerve regeneration processes because of their proven biocompatibility and piezoelectric properties that could stimulate cell ingrowth due to electrical activity upon mechanical deformation.
Viktoria M Kapralova   +2 more
exaly   +3 more sources

Case Study of Polyvinylidene Fluoride Doping by Carbon Nanotubes

open access: yesMaterials, 2021
Modern material science often makes use of polyvinylidene fluoride thin films because of various properties, like a high thermal and chemical stability, or a ferroelectric, pyroelectric and piezoelectric activity.
Vladimír Holcman   +2 more
exaly   +2 more sources

Ferroelectricity in polyvinylidene fluoride

Journal of Applied Physics, 1978
Changes induced in the orientation of the axes of crystallites in thin films of polyvinylidene fluoride by the application of 6×107 V/m at 100 °C for 1/2 h have been observed. The changes were observed by measuring the intensity of x rays diffracted from the film as a function of the orientation of the film relative to the diffracting x-ray beam.
R. G. Kepler, R. A. Anderson
openaire   +1 more source

Comparisons of ferroelectric and dielectric behavior of polyvinylidene fluoride and polyvinylidene fluoride trifluoroethylene

2019 IEEE International Symposium on Applications of Ferroelectrics (ISAF), 2019
We investigate the crystal properties dependence of the dielectric and ferroelectric performance of pure polyvinylidene fluoride (PVDF) films with various molecular weights using large-scale stretching of 5-time. After stretching, all PVDF films show the crystalline transition from well-defined α and β crystal grains to all trans crystal slice rather ...
Weimin Xia   +3 more
openaire   +1 more source

Pyroelectricity in polyvinylidene fluoride

Journal of Applied Physics, 1973
The pyroelectric behavior of as-received 2-mil polyvinylidene fluoride films was studied as a function of the poling treatment. It is shown that poling induces a thermally reversible electric polarization in addition to an electric polarization which vanishes upon the first heating of the sample.
G. Pfister, M. Abkowitz, R. G. Crystal
openaire   +1 more source

Pyroelectricity in polyvinylidene fluoride

Journal of Applied Physics, 1979
The magnitude of the pyroelectric coefficient in polyvinylidene fluoride was observed to increase significantly on maintaining the poling field while cooling the samples from elevated poling temperatures to ambient temperature. The results of the measurement of the depolarization currents with repeated thermal cycling of poled specimens from ...
D. K. Das-Gupta, J. S. Duffy
openaire   +1 more source

Characterization of Polyvinylidene Fluoride.

1979
Abstract : An apparatus for measuring the electrical properties of polymer films is described. The dielectric and pyroelectric properties of commercial and radiation polymerized polyvinylidene fluoride are compared. (Author)
J. M. Bates   +3 more
openaire   +1 more source

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