Electromechanical properties of A -site (LiCe)-modified sodium bismuth titanate (Na0.5Bi4.5Ti4O15) piezoelectric ceramics at elevated temperature

Chun Ming Wang, Jin Feng Wang, Shujun Zhang, Thomas R. Shrout

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

The Aurivillius-type bismuth layer-structured (NaBi)0.46(LiCe) 0.04Bi4Ti4O15 (NBT-LiCe) piezoelectric ceramics were synthesized using conventional solid-state processing. Phase analysis was performed by x-ray diffraction and microstructural morphology was assessed by scanning electron microscopy. The dielectric, piezoelectric, ferroelectric, and electromechanical properties of NBT-LiCe ceramics were investigated. The piezoelectric activities were found to be significantly enhanced compared to NBT ceramics, which can be attributed to the lattice distortion and the presence of bismuth vacancies. The dielectric and electromechanical properties of NBT-LiCe ceramics at elevated temperature were investigated in detail. The excellent piezoelectric, dielectric, and electromechanical properties, coupled with high Curie temperature (Tc =660 °C), demonstrated that the NBT-LiCe ceramics are the promising candidates for high temperature applications.

Original languageEnglish (US)
Article number094110
JournalJournal of Applied Physics
Volume105
Issue number9
DOIs
StatePublished - Jun 22 2009

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piezoelectric ceramics
bismuth
sodium
ceramics
dielectric properties
temperature
Curie temperature
x ray diffraction
solid state
scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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title = "Electromechanical properties of A -site (LiCe)-modified sodium bismuth titanate (Na0.5Bi4.5Ti4O15) piezoelectric ceramics at elevated temperature",
abstract = "The Aurivillius-type bismuth layer-structured (NaBi)0.46(LiCe) 0.04Bi4Ti4O15 (NBT-LiCe) piezoelectric ceramics were synthesized using conventional solid-state processing. Phase analysis was performed by x-ray diffraction and microstructural morphology was assessed by scanning electron microscopy. The dielectric, piezoelectric, ferroelectric, and electromechanical properties of NBT-LiCe ceramics were investigated. The piezoelectric activities were found to be significantly enhanced compared to NBT ceramics, which can be attributed to the lattice distortion and the presence of bismuth vacancies. The dielectric and electromechanical properties of NBT-LiCe ceramics at elevated temperature were investigated in detail. The excellent piezoelectric, dielectric, and electromechanical properties, coupled with high Curie temperature (Tc =660 °C), demonstrated that the NBT-LiCe ceramics are the promising candidates for high temperature applications.",
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Electromechanical properties of A -site (LiCe)-modified sodium bismuth titanate (Na0.5Bi4.5Ti4O15) piezoelectric ceramics at elevated temperature. / Wang, Chun Ming; Wang, Jin Feng; Zhang, Shujun; Shrout, Thomas R.

In: Journal of Applied Physics, Vol. 105, No. 9, 094110, 22.06.2009.

Research output: Contribution to journalArticle

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AU - Wang, Chun Ming

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AU - Zhang, Shujun

AU - Shrout, Thomas R.

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