Piezoelectric and electromechanical properties of ultrahigh temperature CaBi2Nb2O9 ceramics

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

doi:10.1002/pssr.200802259

Piezoelectric and electromechanical properties of ultrahigh temperature CaBi₂Nb₂O₉ ceramics

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

Materials Research Institute (MRI)

Research output: Contribution to journal › Article › peer-review

84 Scopus citations

Abstract

The piezoelectric, dielectric, and electromechanical properties of the (KCe) co-substituted calcium bismuth niobate (CaBi₂Nb ₂O₉, CBN) were investigated. The piezoelectric activities of CBN ceramics were significantly enhanced and the dielectric loss tan δ decreased by (KCe) substitution. The Ca_0.9 (KCe) _0.05Bi₂Nb₂O₉ ceramics possess the optimal piezoelectric properties, and the piezoelectric coefficient (d ₃₃), Curie temperature (T_C), and electromechanical coupling factors (k_p and k_t) were found to be 16 pC/N, 868 °C, 8.6%, and 23.8%, respectively. The excellent dielectric and electromechanical spectra, together with the high piezoelectric activities and ultrahigh Curie temperature, make CBN ceramics promising candidates for high temperature piezoelectric applications.

Original language	English (US)
Pages (from-to)	49-51
Number of pages	3
Journal	Physica Status Solidi - Rapid Research Letters
Volume	3
Issue number	2-3
DOIs	https://doi.org/10.1002/pssr.200802259
State	Published - 2009

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics

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title = "Piezoelectric and electromechanical properties of ultrahigh temperature CaBi2Nb2O9 ceramics",

abstract = "The piezoelectric, dielectric, and electromechanical properties of the (KCe) co-substituted calcium bismuth niobate (CaBi2Nb 2O9, CBN) were investigated. The piezoelectric activities of CBN ceramics were significantly enhanced and the dielectric loss tan δ decreased by (KCe) substitution. The Ca0.9 (KCe) 0.05Bi2Nb2O9 ceramics possess the optimal piezoelectric properties, and the piezoelectric coefficient (d 33), Curie temperature (TC), and electromechanical coupling factors (kp and kt) were found to be 16 pC/N, 868 °C, 8.6%, and 23.8%, respectively. The excellent dielectric and electromechanical spectra, together with the high piezoelectric activities and ultrahigh Curie temperature, make CBN ceramics promising candidates for high temperature piezoelectric applications.",

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T1 - Piezoelectric and electromechanical properties of ultrahigh temperature CaBi2Nb2O9 ceramics

AU - Wang, Chun Ming

AU - Wang, Jin Feng

AU - Zhang, Shujun

AU - Shrout, Thomas R.

PY - 2009

Y1 - 2009

N2 - The piezoelectric, dielectric, and electromechanical properties of the (KCe) co-substituted calcium bismuth niobate (CaBi2Nb 2O9, CBN) were investigated. The piezoelectric activities of CBN ceramics were significantly enhanced and the dielectric loss tan δ decreased by (KCe) substitution. The Ca0.9 (KCe) 0.05Bi2Nb2O9 ceramics possess the optimal piezoelectric properties, and the piezoelectric coefficient (d 33), Curie temperature (TC), and electromechanical coupling factors (kp and kt) were found to be 16 pC/N, 868 °C, 8.6%, and 23.8%, respectively. The excellent dielectric and electromechanical spectra, together with the high piezoelectric activities and ultrahigh Curie temperature, make CBN ceramics promising candidates for high temperature piezoelectric applications.

AB - The piezoelectric, dielectric, and electromechanical properties of the (KCe) co-substituted calcium bismuth niobate (CaBi2Nb 2O9, CBN) were investigated. The piezoelectric activities of CBN ceramics were significantly enhanced and the dielectric loss tan δ decreased by (KCe) substitution. The Ca0.9 (KCe) 0.05Bi2Nb2O9 ceramics possess the optimal piezoelectric properties, and the piezoelectric coefficient (d 33), Curie temperature (TC), and electromechanical coupling factors (kp and kt) were found to be 16 pC/N, 868 °C, 8.6%, and 23.8%, respectively. The excellent dielectric and electromechanical spectra, together with the high piezoelectric activities and ultrahigh Curie temperature, make CBN ceramics promising candidates for high temperature piezoelectric applications.

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Piezoelectric and electromechanical properties of ultrahigh temperature CaBi₂Nb₂O₉ ceramics

Abstract

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