Abstract
Grain oriented bismuth layer-structured ferroelectrics (BLSFs) ceramics CaBi4Ti3.95V0.05O15 were prepared by screen-printing method. The particle size of starting materials is a very important factor for the grain orientation annealed ceramics. Highly textured ceramics can only be obtained by using nanosized TiO2 and the mechanism for grain orientation was proposed. The electrical properties of the textured ceramics showed strongly anisotropic. The dielectric constant and loss tangent in the perpendicular plane is larger than that of the parallel plane. The remanent polarization in the perpendicular plane (2.64 μC/cm2) is also much larger than that of the parallel plane (0.31 μC/cm2). Compared with other grain orientation techniques, screen-printing was a simple and effective technique to fabricate grain oriented BLSFs ceramics.
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