Abstract
Textured poly-crystalline SrBi2Nb2O9 (SBN) with a preferred 〈010〉 orientation ceramics were synthesized via laser rapid solidification using a CO2 laser. X-ray diffraction analysis reveals that the preferred orientation of the as-obtained SBN is along the b-axis, and the orientation factor is approximately 0.78. Scanning electron microscope image shows that the as-obtained SBN is composed of flake-like grains with maximum thickness and length of 1.0μm and 0.1mm, respectively, which are parallel to the laser incident direction. The directional solidification produces the textured structure, and the shortest b-axis length determines that the preferred orientation direction is along the b-axis. Dielectric property research demonstrates that the phase transition of the as-obtained SBN is diffuse, which may be due to the orientation array of the grains.
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