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High temperature capacitors using a BiScO3-BaTiO3-(K1/2Bi1/2)TiO3 ternary system

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

BiScO3-BaTiO3 with (K1/2Bi1/2)TiO3 [BSBT-KBTx] in the perovskite solid solution system were prepared by conventional ceramic processing for potential high temperature capacitors. The effect of KBT on the dielectric properties of BSBT was investigated as a function of temperature and frequency. The BSBT-KBT20 exhibited high dielectric permittivity and low dielectric loss over the temperature range from 100°C to 300°C with flat coefficients of temperature (TCe{open}s). In addition, BSBT-KBTx were observed to possess dielectric relaxation behavior at temperatures (> RT) as observed in lead-based relaxors. Furthermore, the E-field polarization behavior was investigated showing high energy density of 1.28 J/cm3 at 100 kV/cm for the BSBT-KBT20. © 2011 The Korean Institute of Metals and Materials and Springer Netherlands.
Original languageEnglish
Pages (from-to)71-75
JournalElectronic Materials Letters
Volume7
Issue number1
DOIs
Publication statusPublished - Mar 2011
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

  • (K1/2Bi1/2)TiO3
  • BaTiO3
  • capacitors
  • energy storage

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