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Tuning of physical and chemical properties of perovskite ceramic materials through surface modifications

Dash, S and Mohanty, HS and Sahoo, B and Pradhan, DK (2023) Tuning of physical and chemical properties of perovskite ceramic materials through surface modifications. [Book Chapter]

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Official URL: https://doi.org/10.1016/B978-0-323-99529-0.00017-5


Surface modification of perovskite ceramic BZT-BCT-filled PVDF-HFP composite films was synthesized/prepared using the solution-casting process. The effect of surface modification in perovskite-type ceramic-based polymer composites has been examined based on its end-use applicability. The morphology of the composite demonstrates that surface hydroxylation evenly dispersed the BZT-BCT ceramic particles in the polymer matrix (PVDF-HFP). The findings suggest that the presence of the hydroxyl group formed the linkage with the filler which is responsible for the interfacial contact of the hydroxylated fillers and the polymer matrix. It is pertinent to mention here that the hydroxyl-treated filler surface-based polymer composite has superior dielectric and ferroelectric characteristics with lower dielectric loss. The energy storage density value for the composite having surface-treated filler particle is much higher as compared to untreated BZT-BCT particle. These findings provide a new way for increasing dielectric energy.

Item Type: Book Chapter
Publication: Perovskite Metal Oxides: Synthesis, Properties, and Applications
Publisher: Elsevier
Additional Information: The copyright for this article belongs to the Elsevier.
Keywords: Barium zirconate titanate; Dielectric properties; P(VDF-HFP); Surface modification
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 01 Aug 2023 05:11
Last Modified: 01 Aug 2023 05:11
URI: https://eprints.iisc.ac.in/id/eprint/82641

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