#7826. Microstructure and enhanced dielectric properties of BaTiO3-SiO2 nanocomposites using hydrogen treated nanoparticles

October 2026publication date
Proposal available till 27-05-2025
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Journal’s subject area:
Materials Chemistry;
Condensed Matter Physics;
Atomic and Molecular Physics, and Optics;
Electrical and Electronic Engineering;
Electronic, Optical and Magnetic Materials;
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Abstract:
BaTiO3 (BT) nanoparticles treated in H2 and then coated with a layer of SiO2 were used as the starting material to synthesise BT-SiO2 nanocomposites through the conventional ceramic process. A denser morphology was obtained in the BT-SiO2 composites. The H2 treatment induced not only the oxygen vacancies, but also other changes (i.e. ionic disorders) in the BT. These ionic disorders were more permanent and enhanced the reaction between the BT and SiO2 during the sintering process.
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