Dielectric and electromechanical properties of pbti03-la(zn2/3nb1/3)03 solid solution ceramics

Shoichiro Nomura; Kumiko Kaneta; Jun Kuwata; Yuzuru Tsuchiya; Kenji Uchino

doi:10.1143/JJAP.20.L241

Dielectric and electromechanical properties of pbti03-la(zn_2/3nb_1/3)03 solid solution ceramics

Shoichiro Nomura, Kumiko Kaneta, Jun Kuwata, Yuzuru Tsuchiya, Kenji Uchino

Electrical Engineering

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

2 Scopus citations

Abstract

Solid solutions in the PbTi0₃-La(Zn2/3Nbi/3)0₃ system are formed with a perovskite structure up to 70 mol % of La(Zn2/3Nb_1/3)03 content. Dielectric and electromechanical properties of the ceramics have been measured as functions of temperature. The ferroelectric Curie temperature decreases linearly with increasing La(Zn₂/3Nbi₃)03 content. The planar coupling factor k_p at room temperature shows a maximum of 23% in the composition with 13 mol% of La(Zn₂/3Nbi/3)0₃. A minimum of the temperature coefficient of the planar resonance frequency \Af/fAT\ at room temperature (3.7 x 10“⁵ K^-1) is obtained at 10.5 mol% of La(Zn₂/3Nb_1/3)0₃. By adding a small amount of Mn0₂ to the ceramics, the order of magnitude of \Af/fAT\ can be reduced to 10“⁶ K^-1.

Original language	English (US)
Pages (from-to)	L241-L244
Journal	Japanese Journal of Applied Physics
Volume	20
Issue number	3
DOIs	https://doi.org/10.1143/JJAP.20.L241
State	Published - Mar 1981

All Science Journal Classification (ASJC) codes

General Engineering
General Physics and Astronomy

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title = "Dielectric and electromechanical properties of pbti03-la(zn2/3nb1/3)03 solid solution ceramics",

abstract = "Solid solutions in the PbTi03-La(Zn2/3Nbi/3)03 system are formed with a perovskite structure up to 70 mol % of La(Zn2/3Nb1/3)03 content. Dielectric and electromechanical properties of the ceramics have been measured as functions of temperature. The ferroelectric Curie temperature decreases linearly with increasing La(Zn2/3Nbi3)03 content. The planar coupling factor kp at room temperature shows a maximum of 23% in the composition with 13 mol% of La(Zn2/3Nbi/3)03. A minimum of the temperature coefficient of the planar resonance frequency \Af/fAT\ at room temperature (3.7 x 10“5 K-1) is obtained at 10.5 mol% of La(Zn2/3Nb1/3)03. By adding a small amount of Mn02 to the ceramics, the order of magnitude of \Af/fAT\ can be reduced to 10“6 K-1.",

author = "Shoichiro Nomura and Kumiko Kaneta and Jun Kuwata and Yuzuru Tsuchiya and Kenji Uchino",

year = "1981",

month = mar,

doi = "10.1143/JJAP.20.L241",

language = "English (US)",

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journal = "Japanese Journal of Applied Physics",

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T1 - Dielectric and electromechanical properties of pbti03-la(zn2/3nb1/3)03 solid solution ceramics

AU - Nomura, Shoichiro

AU - Kaneta, Kumiko

AU - Kuwata, Jun

AU - Tsuchiya, Yuzuru

AU - Uchino, Kenji

PY - 1981/3

Y1 - 1981/3

N2 - Solid solutions in the PbTi03-La(Zn2/3Nbi/3)03 system are formed with a perovskite structure up to 70 mol % of La(Zn2/3Nb1/3)03 content. Dielectric and electromechanical properties of the ceramics have been measured as functions of temperature. The ferroelectric Curie temperature decreases linearly with increasing La(Zn2/3Nbi3)03 content. The planar coupling factor kp at room temperature shows a maximum of 23% in the composition with 13 mol% of La(Zn2/3Nbi/3)03. A minimum of the temperature coefficient of the planar resonance frequency \Af/fAT\ at room temperature (3.7 x 10“5 K-1) is obtained at 10.5 mol% of La(Zn2/3Nb1/3)03. By adding a small amount of Mn02 to the ceramics, the order of magnitude of \Af/fAT\ can be reduced to 10“6 K-1.

AB - Solid solutions in the PbTi03-La(Zn2/3Nbi/3)03 system are formed with a perovskite structure up to 70 mol % of La(Zn2/3Nb1/3)03 content. Dielectric and electromechanical properties of the ceramics have been measured as functions of temperature. The ferroelectric Curie temperature decreases linearly with increasing La(Zn2/3Nbi3)03 content. The planar coupling factor kp at room temperature shows a maximum of 23% in the composition with 13 mol% of La(Zn2/3Nbi/3)03. A minimum of the temperature coefficient of the planar resonance frequency \Af/fAT\ at room temperature (3.7 x 10“5 K-1) is obtained at 10.5 mol% of La(Zn2/3Nb1/3)03. By adding a small amount of Mn02 to the ceramics, the order of magnitude of \Af/fAT\ can be reduced to 10“6 K-1.

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Dielectric and electromechanical properties of pbti03-la(zn_2/3nb_1/3)03 solid solution ceramics

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