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Synthesis Of Anisotropic Lead Titanate Powders For Templated Grain Growth Of Textured Piezoelectric Ceramics

Author

Listed:
  • S. MA

    (Department of Mechanical Engineering, National University of Singapore, Singapore 117576, Singapore)

  • J. Y. H. FUH

    (Department of Mechanical Engineering, National University of Singapore, Singapore 117576, Singapore;
    Minerals, Metals and Materials Technology Center (M3TC), National University of Singapore, Singapore 117576, Singapore)

  • Y. F. ZHANG

    (Department of Mechanical Engineering, National University of Singapore, Singapore 117576, Singapore;
    Minerals, Metals and Materials Technology Center (M3TC), National University of Singapore, Singapore 117576, Singapore)

  • L. LU

    (Department of Mechanical Engineering, National University of Singapore, Singapore 117576, Singapore;
    Minerals, Metals and Materials Technology Center (M3TC), National University of Singapore, Singapore 117576, Singapore)

Abstract

Needle-shapedPbTiO3(PT) template particles were successfully synthesized using two different types of approaches, molten salt synthesis (MSS) and thermal synthesis method. In eutecticNaCl–KClmolten salt system, homogeneous and nonagglomerated needle-shaped PT particles were produced fromPbOand needle-likeTiO2compound heated at 800–850°C for 2 h. The effect of heating temperature on the morphology of formed powders was studied in order to identify the optimum processing parameters. The template formation mechanism is discussed. Using thermal synthesis method, comparable needle-shaped PT crystalline particles were also obtained in one step. Plate-shaped PT powders were derived via flux synthesis. The effect of additives such asMnCl2andLiFon the morphology of derived PT was studied. Adding a certain amount ofMnCl2led to the formation of well-defined plate-shaped PT particles. The structure and morphology of synthesized powders were characterized by means of X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM).

Suggested Citation

  • S. Ma & J. Y. H. Fuh & Y. F. Zhang & L. Lu, 2010. "Synthesis Of Anisotropic Lead Titanate Powders For Templated Grain Growth Of Textured Piezoelectric Ceramics," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 17(02), pages 159-164.
    • Handle: RePEc:wsi:srlxxx:v:17:y:2010:i:02:n:s0218625x10013631
    DOI: 10.1142/S0218625X10013631
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