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Preparing of Barium Titanate Using Chemical Method and Studying of its Structural Properties

Single crystalline BaTiO3 (BT) was prepared using TiCl4, BaCl 2 and oxalic acid. The structure of the prepared nanocrystalline BT powders were a tetragonal perovskite according to XRD and HRTEM analysis. Annealing powder to 750 o C show that pure BT phase was formed according to XRD, TG, and FTIR spectroscopy. The TEM images of the prepared powder reveal spherical morphology of BT, while a finger twin, dendritic and embryo shape are observed of BT powder calcined at 230, 530, and 750 o C respectively. SAED and HRTEM images showed a high crystalline BT powder and a single crystalline BT respectively.