Journal of Materials Science

, Volume 34, Issue 8, pp 1943–1952 | Cite as

Preparation and characterisation of ultrafine lead titanate (PbTiO3) powders

  • J. Fang
  • J. Wang
  • S. C. Ng
  • C. H. Chew
  • L. M. Gan
Article

Abstract

Ultrafine lead titanate (PbTiO3) powders in tetragonal form have been successfully prepared via three processing routes, namely, conventional co-precipitation, microemulsion-refined freeze drying, and microemulsion-refined co-precipitation. The formation process of lead titanate from the resulting precursors was monitored using techniques such as thermal analyses and X-ray diffraction for phase identification. It was found that the two microemulsion-refined processing routes led to a lower formation temperature for lead titanate than that observed in the conventional co-precipitation route. The three lead titanate powders have also been compared for particle and agglomerate size distributions and specific surface area. It appears that the microemulsion-refined co-precipitation is the technique which results in the formation of the finest lead titanate powder amongst the three processing routes investigated in the present work.

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Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • J. Fang
    • 1
  • J. Wang
    • 1
  • S. C. Ng
    • 2
  • C. H. Chew
    • 3
  • L. M. Gan
    • 4
  1. 1.Department of Materials Science,National University of Singapore,Singapore
  2. 2.Department of Physics,National University of Singapore,Singapore
  3. 3.Department of Chemistry,National University of Singapore,Singapore
  4. 4.Department of Chemistry/IMRE, Faculty of Science,National University of Singapore,Singapore

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