<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Several types of multiphase ceramic materials with excellent microwave (MW) dielectric properties have been considered. Studied materials were based on complex niobates and titanates with various crystal structures in which very high values of the MW quality factors (Q) can be attained. Slight compositional changes in the complex oxide systems have been shown to induce rather combined effect on the cation arrangement of separate crystal phases as well as on the microstructure and phase composition of multiphase ceramic materials. As a consequence, the ways to tailor MW dielectric parameters of the ceramics through a proper adjustment of both structure and distribution of enclosed phases have been presented and discussed. The examples of the multiphase MW dielectrics with enhanced properties have also been presented.</p></abstract>

Several types of multiphase ceramic materials with excellent microwave (MW) dielectric properties have been considered. Studied materials were based on complex niobates and titanates with various crystal structures in which very high values of the MW quality factors (Q) can be attained. Slight compositional changes in the complex oxide systems have been shown to induce rather combined effect on the cation arrangement of separate crystal phases as well as on the microstructure and phase composition of multiphase ceramic materials. As a consequence, the ways to tailor MW dielectric parameters of the ceramics through a proper adjustment of both structure and distribution of enclosed phases have been presented and discussed. The examples of the multiphase MW dielectrics with enhanced properties have also been presented.

Multiphase microwave dielectrics

Department of Solid State Chemistry, V.I.Vernadskii Institute of General and Inorganic Chemistry of National Academy of Sciences of Ukraine, Kyiv-142, 03680, Ukraine

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Multiphase microwave dielectrics"}

Several types of multiphase ceramic materials with excellent microwave (MW) dielectric properties have been considered. Studied materials were based on complex...

Multiphase microwave dielectrics

Published Online: Aug 03, 2011

Page range: 47 - 55

DOI: https://doi.org/10.2478/s13536-011-0009-5

Keywords
oxide ceramics, microwave dielectrics, composites, dielectric properties

© 2011 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Multiphase microwave dielectrics

Published Online: Aug 03, 2011

Page range: 47 - 55

DOI: https://doi.org/10.2478/s13536-011-0009-5

Keywordsoxide ceramics, microwave dielectrics, composites, dielectric properties

© 2011 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
oxide ceramics, microwave dielectrics, composites, dielectric properties