Effects of poling field on the piezoelectric and dielectric properties of Nb additive PZT-based ceramics and their applications on SAW devices

Sheng Yuan Chu; Te Yi Chen; I. Ta Tsai

doi:10.1016/j.matlet.2003.07.004

Effects of poling field on the piezoelectric and dielectric properties of Nb additive PZT-based ceramics and their applications on SAW devices

Sheng Yuan Chu, Te Yi Chen, I. Ta Tsai

Department of Electrical Engineering

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

9 Citations (Scopus)

Abstract

The piezoelectric lead zirconate titanate (PZT)-based ceramics with a composition of Pb_1-0.5x(Zr_0.52Ti_0.48) _1-xNb_xO₃; x=0.02-0.06 were prepared by conventional mixed-oxide method, using sintering temperature at 1250 °C and poling field at 0-50 kV/cm. Microstructural and compositional analyses of the PZT-based ceramics have been carried out using XRD and SEM. The dielectric constant measured at 1 kHz is about 1500 and the loss factor is small than 0.02. The maximum planar electromechanical coupling coefficient, k_p, is 0.591 as x=0.055 and E_p=30 kV/cm. It showed that the Nb additives were helpful in improving both of the dielectric and piezoelectric properties. Surface acoustic wave (SAW) device, which the PZT-ceramic was used for substrate, was fabricated.

Original language	English
Pages (from-to)	752-756
Number of pages	5
Journal	Materials Letters
Volume	58
Issue number	5
DOIs	https://doi.org/10.1016/j.matlet.2003.07.004
Publication status	Published - 2004 Feb

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Effects of poling field on the piezoelectric and dielectric properties of Nb additive PZT-based ceramics and their applications on SAW devices",

abstract = "The piezoelectric lead zirconate titanate (PZT)-based ceramics with a composition of Pb1-0.5x(Zr0.52Ti0.48) 1-xNbxO3; x=0.02-0.06 were prepared by conventional mixed-oxide method, using sintering temperature at 1250 °C and poling field at 0-50 kV/cm. Microstructural and compositional analyses of the PZT-based ceramics have been carried out using XRD and SEM. The dielectric constant measured at 1 kHz is about 1500 and the loss factor is small than 0.02. The maximum planar electromechanical coupling coefficient, kp, is 0.591 as x=0.055 and Ep=30 kV/cm. It showed that the Nb additives were helpful in improving both of the dielectric and piezoelectric properties. Surface acoustic wave (SAW) device, which the PZT-ceramic was used for substrate, was fabricated.",

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AU - Chu, Sheng Yuan

AU - Chen, Te Yi

AU - Tsai, I. Ta

PY - 2004/2

Y1 - 2004/2

N2 - The piezoelectric lead zirconate titanate (PZT)-based ceramics with a composition of Pb1-0.5x(Zr0.52Ti0.48) 1-xNbxO3; x=0.02-0.06 were prepared by conventional mixed-oxide method, using sintering temperature at 1250 °C and poling field at 0-50 kV/cm. Microstructural and compositional analyses of the PZT-based ceramics have been carried out using XRD and SEM. The dielectric constant measured at 1 kHz is about 1500 and the loss factor is small than 0.02. The maximum planar electromechanical coupling coefficient, kp, is 0.591 as x=0.055 and Ep=30 kV/cm. It showed that the Nb additives were helpful in improving both of the dielectric and piezoelectric properties. Surface acoustic wave (SAW) device, which the PZT-ceramic was used for substrate, was fabricated.

AB - The piezoelectric lead zirconate titanate (PZT)-based ceramics with a composition of Pb1-0.5x(Zr0.52Ti0.48) 1-xNbxO3; x=0.02-0.06 were prepared by conventional mixed-oxide method, using sintering temperature at 1250 °C and poling field at 0-50 kV/cm. Microstructural and compositional analyses of the PZT-based ceramics have been carried out using XRD and SEM. The dielectric constant measured at 1 kHz is about 1500 and the loss factor is small than 0.02. The maximum planar electromechanical coupling coefficient, kp, is 0.591 as x=0.055 and Ep=30 kV/cm. It showed that the Nb additives were helpful in improving both of the dielectric and piezoelectric properties. Surface acoustic wave (SAW) device, which the PZT-ceramic was used for substrate, was fabricated.

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Effects of poling field on the piezoelectric and dielectric properties of Nb additive PZT-based ceramics and their applications on SAW devices

Abstract

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