Preparation of Bulk Pb(Zr, Ti)O3 with Crystallographic Texture by Templated Grain Growth Method

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Polycrystalline Pb(Zr, Ti)O3 (PZT) ceramics with 〈111〉-texture were prepared by the templated grain growth (TGG) method using the platelike Ba6Ti17O40 (B6T17) particles as templates. Textured PZT was obtained by sintering of green compacts containing matrix PZT, aligned B6T17, and excess PbO. Excess PbO formed a liquid phase and promoted the dissolution of PZT grains and the precipitation on B6T17 grains. A similarity of the arrangement of ions on (001) of B6T17 and (111) of PZT gave 〈111〉-texture to matrix PZT.

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