Fabrication and Piezoelectric Properties of <111>-Textured BaTiO3 Ceramics by Templated Grain Growth

Abstract

We have successfully fabricated <111>-textured BaTiO3 polycrystals by templated grain growth (TGG) method. The platelike BaTiO3 used as template particles with <111> lying perpendicular to the plate face were prepared by molten salt synthesis via Ba6Ti17O40. The effects of processing parameters on sintered density and the degree of orientation were examined. By employing suitable parameters, the textured BaTiO3 ceramics with the density of 94.5% and the degree of orientation of 0.86 (Lotgering factor) were obtained.