Doping effects of SiO2 on the dielectric and piezoelectric properties of PbTiO3-based ceramics and Its SAW applications

Te Yi Chen; Sheng Yuan Chu; Chih Kao Cheng

doi:10.1080/10584580590897281

Doping effects of SiO₂ on the dielectric and piezoelectric properties of PbTiO₃-based ceramics and Its SAW applications

Te Yi Chen, Sheng Yuan Chu, Chih Kao Cheng

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

The Sm-modified lead titanate ceramics with a composition of (Pb _0.85Sm_0.1)-(Ti_0.98Mn_0.02)O ₃ piezoceramics doped with SiO₂ were prepared by conventional mixed-oxide method using sintering temperature at 1100°C. Microstructural and compositional analyses of the PbTiO₃-based ceramics have been carried out using XRD and SEM. The effects of dopants on the sintering temperature and piezoelectric properties of the ceramics have been investigated. We successfully showed that these additives were helpful in lowering of the sintering temperature and still keep high thickness electromechanical coupling coefficient, k_t, and small planar electromechanical coupling coefficient, k_p. Surface acoustic wave (SAW) devices were fabricated and the properties, including phase velocity and temperature coefficient of frequency (TCF), were measured.

Original language	English
Pages (from-to)	65-72
Number of pages	8
Journal	Integrated Ferroelectrics
Volume	69
DOIs	https://doi.org/10.1080/10584580590897281
Publication status	Published - 2005
Event	16th International Symposium on Integrated Ferroelectrics, ISIF-16 - Gyeongju, Korea, Republic of Duration: 2004 Apr 5 → 2004 Apr 8

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Control and Systems Engineering
Ceramics and Composites
Condensed Matter Physics
Electrical and Electronic Engineering
Materials Chemistry

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title = "Doping effects of SiO2 on the dielectric and piezoelectric properties of PbTiO3-based ceramics and Its SAW applications",

abstract = "The Sm-modified lead titanate ceramics with a composition of (Pb 0.85Sm0.1)-(Ti0.98Mn0.02)O 3 piezoceramics doped with SiO2 were prepared by conventional mixed-oxide method using sintering temperature at 1100°C. Microstructural and compositional analyses of the PbTiO3-based ceramics have been carried out using XRD and SEM. The effects of dopants on the sintering temperature and piezoelectric properties of the ceramics have been investigated. We successfully showed that these additives were helpful in lowering of the sintering temperature and still keep high thickness electromechanical coupling coefficient, kt, and small planar electromechanical coupling coefficient, kp. Surface acoustic wave (SAW) devices were fabricated and the properties, including phase velocity and temperature coefficient of frequency (TCF), were measured.",

author = "Chen, {Te Yi} and Chu, {Sheng Yuan} and Cheng, {Chih Kao}",

year = "2005",

doi = "10.1080/10584580590897281",

language = "English",

volume = "69",

pages = "65--72",

journal = "Integrated Ferroelectrics",

issn = "1058-4587",

publisher = "Taylor and Francis Ltd.",

note = "16th International Symposium on Integrated Ferroelectrics, ISIF-16 ; Conference date: 05-04-2004 Through 08-04-2004",

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AU - Chen, Te Yi

AU - Chu, Sheng Yuan

AU - Cheng, Chih Kao

PY - 2005

Y1 - 2005

N2 - The Sm-modified lead titanate ceramics with a composition of (Pb 0.85Sm0.1)-(Ti0.98Mn0.02)O 3 piezoceramics doped with SiO2 were prepared by conventional mixed-oxide method using sintering temperature at 1100°C. Microstructural and compositional analyses of the PbTiO3-based ceramics have been carried out using XRD and SEM. The effects of dopants on the sintering temperature and piezoelectric properties of the ceramics have been investigated. We successfully showed that these additives were helpful in lowering of the sintering temperature and still keep high thickness electromechanical coupling coefficient, kt, and small planar electromechanical coupling coefficient, kp. Surface acoustic wave (SAW) devices were fabricated and the properties, including phase velocity and temperature coefficient of frequency (TCF), were measured.

AB - The Sm-modified lead titanate ceramics with a composition of (Pb 0.85Sm0.1)-(Ti0.98Mn0.02)O 3 piezoceramics doped with SiO2 were prepared by conventional mixed-oxide method using sintering temperature at 1100°C. Microstructural and compositional analyses of the PbTiO3-based ceramics have been carried out using XRD and SEM. The effects of dopants on the sintering temperature and piezoelectric properties of the ceramics have been investigated. We successfully showed that these additives were helpful in lowering of the sintering temperature and still keep high thickness electromechanical coupling coefficient, kt, and small planar electromechanical coupling coefficient, kp. Surface acoustic wave (SAW) devices were fabricated and the properties, including phase velocity and temperature coefficient of frequency (TCF), were measured.

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