Electromechanical properties of calcium bismuth niobate (CaBi2Nb2O9) ceramics at elevated temperature

Chun Ming Wang, Shujun Zhang, Jin Feng Wang, Ming Lei Zhao, Chun Lei Wang

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Abstract

The dielectric, piezoelectric, and electromechanical properties of the (NaCe)-substituted calcium bismuth niobate (CaBi2Nb2O9, CBN) were investigated. The piezoelectric activities of CBN ceramics were significantly enhanced by (NaCe) co-substitution. The dielectric and electromechanical properties of CBN ceramics at elevated temperature were studied in detail. Compared to the pure CBN ceramics, the substituted CBN ceramics possess a broadened peak. The nearly temperature independent dielectric and electromechanical behavior, coupled with ultrahigh Curie temperature (Tc ∼900 °C), make CBN ceramics promising for high-temperature applications.

Original languageEnglish (US)
Pages (from-to)21-24
Number of pages4
JournalMaterials Chemistry and Physics
Volume118
Issue number1
DOIs
StatePublished - Nov 15 2009

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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