Journal of Material Science and Technology Research

Articles

Vol. 13 (2026)

The Effect of Sonication on the Dielectric Properties of Ceramics

DOI:
https://doi.org/10.31875/2410-4701.2026.13.03
Submitted
June 10, 2026
Published
2026-07-18

Abstract

The paper investigates the effect of high-power sonication on the dielectric properties of ceramics with a composition of 99.8 mol.% (90mol.% BaTiO3 + 10mol.% CaTiO3) and 0.2mol.% NiFe2O4. We obtained ceramics by conventional high-temperature processing using high-power sonication of varying duration at the milling stage. The structural, microstructural, and dielectric properties were investigated. It is shown that the high-power sonication at themilling stage improves the microstructure of the ceramics by reducing the grain size and increasing the density. This improves the dielectric properties of the ceramics: relative permittivity, dielectric loss tangent, Young's modulus, piezoelectric coefficient d31, and the electromechanical coupling coefficient by up to 15%. At the same time, the sintering temperature of the ceramics decreases from 1380-1400°C to 1300°C.

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