Investigation of the dielectric properties of polymer composite films with a ferroelectric filler using the bridge and thermal noise methods |
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Authors: | L. V. Platonova P. S. Bednyakov S. A. Taraskin A. Yu. Danilov P. M. Pakhomov |
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Affiliation: | 1.Department of General Physics and Condensed States of Matter, Faculty of Physics,Moscow State University,Moscow,Russia;2.Tver State University,Tver,Russia |
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Abstract: | Thin films of composite polymers based on polyvinylidenfluoride (PVDF), with ferroelectric fillers of No-Zr-Ti-Pb (NZTP-l) were used to study the dielectric properties of the composites; specifically, we obtained the temperature dependence of the dielectric permittivity at various frequencies at various contents of filler piezoceramic in the polymers. Measurements were conducted using the bridge method and with the thermal noise method. In the studies with the bridge method, the range of the frequencies was 25 Hz-1 MHz; in the studies with the thermal noise method, the frequencies varied from 1 to 100 kHz. |
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