Ceramics with Ultrahigh Permittivity Values: Compositions, Synthesis Methods, and Properties at Low and Medium Frequencies

A review of dielectric materials with high (exceeding 10,000) values of relative permittivity is presented. Most of the compositions of these materials are based on systems that include ferroelectric and non-ferroelectric components, as well as solid solutions based thereon. Various approaches to in...

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Bibliographic Details
Published in:Glass and ceramics 2024-07, Vol.81 (3-4), p.128-139
Main Authors: Ponomarev, S. G., Bazarova, V. E., Akin’shin, I. D., Mushtakov, A. G., Kornyushin, M. V., Kolomin, V. M., Karasev, N. S., Sokolov, D. A., Smirnov, A. V.
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Composition
Ferroelectric materials
Ferroelectricity
Frequency ranges
Glass
Grain size
Materials Science
Natural Materials
Permittivity
Sintering
Solid solutions
Synthesis
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Summary:A review of dielectric materials with high (exceeding 10,000) values of relative permittivity is presented. Most of the compositions of these materials are based on systems that include ferroelectric and non-ferroelectric components, as well as solid solutions based thereon. Various approaches to increasing the permittivity of materials are considered, including doping, sintering atmosphere, grinding time, sintering temperature, and grain size. The effect of dopants and the synthesis method on the characteristics of capacitor ceramics that can be used in the low-frequency and high-frequency range are compared.
ISSN:0361-7610
1573-8515
DOI:10.1007/s10717-024-00671-4