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Volume 45 All articles Published: 12 May 2022 Article ID 0080
Colossal dielectric properties of (Zn$_{0.5}$Ta$_{0.5})_{0.02}$Ti$_{0.98}$O$_2$/PVDF composites
C DILEEP C V MUHAMMED HUNIZE K P MURALI
In this study, (Zn$_{0.5}$Ta$_{0.5})_{0.02}$Ti$_{0.98}$O$_2$/polyvinylidene fluoride (PVDF) composites were fabricated and their dielectric properties were analysed up to 1 MHz. The ceramic filler material was synthesized by the solid-state ceramicroute and the phase purity was confirmed by X-ray diffraction. Composites with different volume fractions were prepared by finely dispersing the filler in the PVDF matrix followed by compression moulding. The PVDF phase was confirmed byFourier transform infrared spectroscopy. Dielectric properties (dielectric constant and loss tangent) up to 1 MHz were studied using an impedance analyser. A dielectric constant of 63 along with an acceptable loss of 0.028 was obtained for afiller volume of 50% at 1 MHz. Also, a dielectric constant of 78 with a loss of 0.14 was obtained at 30% filler loading at 1 kHz.
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Bulletin of Materials Science
Volume 46, 2023
All articles
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Dr Shanti Swarup Bhatnagar for Science and Technology
Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
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