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Dielectric behavior in the BiScO3-BaTiO3-(K 1/2B1/22)TiO3 ternary system

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

(1-x)[0.4BiScO3-0.6BaTiO3] + x (K 1/2Bi1/2)TiO3 [BSBT-KBTx] ceramics in the perovskite solid solution system were studied for potential high temperature capacitor applications. The diectric properties of BSBT-KBTx ceramics were investigated as a function temperature and frequency. The BSBT-KBTx ceramics showed high dielectric permittivity (> 1000 @RT) and low dielectric loss over the temperature range from 100 ∼ 300°C with a flat temperature coefficient (TCC). In addition, BSBT-KBTx ceramics were observed to possess a dielectric relaxation at temperatures (> 300 K). Polarization measurements as a function of electric field showed high energy storage densities with 1.8 J/cm3 at 120 kV/cm. Therefore, dielectrics in this novel ternary system appear to be promising candidates for high temperature and energy storage capacitors.
© 2008 IEEE
Original languageEnglish
Title of host publication17th IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2008
Volume1
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event17th IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2008 - Santa Fe, NM, United States
Duration: 23 Feb 200828 Feb 2008

Publication series

NameIEEE International Symposium on Applications of Ferroelectrics
Volume1

Conference

Conference17th IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2008
PlaceUnited States
CitySanta Fe, NM
Period23/02/0828/02/08

Bibliographical note

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