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Ferroelectric Ceramics--The Sol-Gel Method Versus Conventional Processing

Published online by Cambridge University Press:  15 February 2011

Edward Wu ,
K.C. Chen  and
J.D. Mackenzie
Edward Wu
Affiliation:
Department of Materials Science and Engineering, University of California, Los Angeles, CA 90024.
K.C. Chen
Affiliation:
Department of Materials Science and Engineering, University of California, Los Angeles, CA 90024.
J.D. Mackenzie
Affiliation:
Department of Materials Science and Engineering, University of California, Los Angeles, CA 90024.
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Abstract

The sol-gel method for the preparation of ceramics and glasses has frequently been mentioned as more advantageous as compared to conventional methods. However, there are few known examples of a direct comparison for the same material. In the present work both the processing and resultant properties for ferroelectrics such as BaTiO3, KTaO3, KNbO3 and K(Ta,Nb)O3 made by both methods are directly compared. The uniformity is evaluated by high-angle x-ray diffraction, electron microscopy and EDAX and the dielectric properties are compared. The advantages and disadvantages of the sol-gel method are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 32: Symposium B – Better Ceramics Through Chemistry I , 1984 , 169
Copyright
Copyright © Materials Research Society 1984

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References

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