Effects of sintering condition on phase formation,microstructure and dielectric properties of lead titanate ceramics |
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Authors: | R Wongmaneerung R Yimnirun S Ananta |
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Institution: | (1) Department of Physics, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand |
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Abstract: | Lead titanate ceramics have been prepared by two different processing methods: conventional (or single-stage) and two-stage sintering. Effects of designed sintering conditions on phase formation, densification, microstructure and dielectric properties of the ceramics were characterized via X-ray diffraction, Archimedes density measurement, scanning electron microscopy and dielectric measurement, respectively. The potentiality of a two-stage sintering technique as a simple ceramic fabrication method to obtain highly dense and pure lead titanate ceramics was demonstrated. It has been found that, under suitable two-stage sintering conditions, dense perovskite lead titanate ceramics can be successfully achieved with better dielectric properties than those of ceramics from a single-stage sintering technique. PACS 77.22.-d; 77.84.-s; 77.84.Dy |
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