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Preparation and characterization of transparent PZN–PLZT ceramics

Published online by Cambridge University Press:  03 March 2011

Q.R Yin ,
A.L. Ding ,
X.S. Zheng ,
P.S. Qiu ,
M.R. Shen  and
W.W Cao
Q.R Yin*
Affiliation:
The State Key Laboratory of High Performance Ceramics and Superfire Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Ding Xi Road, 200050, Shanghai, China
A.L. Ding
Affiliation:
The State Key Laboratory of High Performance Ceramics and Superfire Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Ding Xi Road, 200050, Shanghai, China
X.S. Zheng
Affiliation:
The State Key Laboratory of High Performance Ceramics and Superfire Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Ding Xi Road, 200050, Shanghai, China
P.S. Qiu
Affiliation:
The State Key Laboratory of High Performance Ceramics and Superfire Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Ding Xi Road, 200050, Shanghai, China
M.R. Shen
Affiliation:
Department of Physics and Materials Science, City University of Hong Kong, Kowloon, Hong Kong, China
W.W Cao
Affiliation:
Department of Physics and Materials Science, City University of Hong Kong, Kowloon, Hong Kong, China
*
a)Address all correspondence to this author. e-mail: qryin@sunm.shcnc.ac.cn
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Abstract

Transparent Pb(Zn1/3Nb2/3)O3–(Pb1-xLax)(Zr1-yTiy)O3 (PZN–PLZT) ferroelectric ceramics have successfully been prepared by hot-pressed sintering in oxygen atmosphere. Uniform cylindrical samples with diameter as large as Φ = 50 mm can readily be obtained. X-ray analysis and scanning electron microscopy experiments showed a pure perovskite phase, thin grain boundaries, and uniform dense microstructures. Very good transparency was reached for wavelength from near ultraviolet to infrared. The dielectric constant was also measured as a function of temperature and frequency. Some novel phenomena such as good piezoelectric and electro-optical properties have been observed.

Keywords

CeramicsDielectricOptic

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Type
Articles
Information
Journal of Materials Research , Volume 19 , Issue 3 , March 2004 , pp. 729 - 732
Copyright
Copyright © Materials Research Society 2004

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References

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