Abstract

The ferroelectricity of Bi3.25Sc0.75Ti3O12 (BST), and Bi3.25Sc0.75Ti2.97V0.03O12 (BSTV) ceramics prepared at 1100°C by a conventional ceramic technique was investigated. These ceramics possess random-oriented polycrystalline structure. The remanent polarization (Pr) and coercive field (Ec) of the BST ceramics are 18 μC/cm2 and 70kV/cm, respectively. Furthermore, V substitution improves the Pr value of the BST ceramics up to 26 μC/cm2. Therefore, co-sustitution of Sc and V in Bi4Ti3O12 (BIT) ceramic is effective for the improvement of its ferroelectricity.

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