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The Dielectric, Piezoelectric and Pyroelectric Properties of (1-x)PST-xPZT Relaxor Ferroelectric Ceramics

Published online by Cambridge University Press:  01 February 2011

Dejun Lan ,
Qiang Chen ,
Yi Chen ,
Zhuo Xu ,
Yihang Jiang ,
Xi Yue ,
Dingquan Xiao  and
Jianguo Zhu
Dejun Lan
Affiliation:
[email protected], Sichuan University, Department of Materials Science, Wangjiang Road 29, Chengdu, Sichuan Province, 610064, China, People's Republic of, 86-28-85412415, 86-28-85460353
Qiang Chen
Affiliation:
[email protected], Sichuan University, College of Materials Science & Engineering, China, People's Republic of
Yi Chen
Affiliation:
[email protected], Sichuan University, College of Materials Science & Engineering, China, People's Republic of
Zhuo Xu
Affiliation:
[email protected], Xi'an Jiaotong University, Electronic Materials Research Laboratory, China, People's Republic of
Yihang Jiang
Affiliation:
[email protected], Sichuan University, College of Materials Science & Engineering, China, People's Republic of
Xi Yue
Affiliation:
[email protected], Sichuan University, College of Materials Science & Engineering, China, People's Republic of
Dingquan Xiao
Affiliation:
[email protected], Sichuan University, College of Materials Science & Engineering, China, People's Republic of
Jianguo Zhu*
Affiliation:
[email protected], Sichuan University, College of Materials Science & Engineering, China, People's Republic of
*
*Corresponding author: E-mail:[email protected];Tel/Fax:86-28-85412415/86-28-85460353
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Abstract

Pb(Sc1/2Ta1/2)O3 (PST) relaxor ferroelectric ceramics were investigated widely in the past decades for their excellent pyroelectric, ferroelectric and dielectric properties and comprehensive applications in uncooled focal plane arrays infrared detectors and other electronic devices. However, some other ferroelectrics could be added into the PST ceramics to form the complex perovskite ferroelectrics with better electric properties. In this paper, (1-x)PST-xPZT(PSTZT) relaxor ferroelectric ceramics were prepared by wolframite precursor process (named two-step -sintering method, TSSM). The experiment results showed that the PSTZT ceramics with pure perovskite structure could be prepared by using TSSM. The temperature dependence of permittivity and dielectric loss of PSTZT ceramics were investigated in detail, which indicated that PSTZT ceramics showed partly diffusive phase transition with little frequency dispersion. The dielectric and pyroelectric properties of PSTZT ceramics were also investigated and discussed.

Keywords

ferroelectricceramicelectrical properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 888: Symposium V – Materials and Devices for Smart Systems II , 2005 , 0888-V09-10
Copyright
Copyright © Materials Research Society 2006

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References

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