MSCE  Vol.3 No.8 , August 2015
Structural and Raman Spectroscopic Study of Antimony Doped Bi0.5Na0.5TiO3 Electroceramic
ABSTRACT
Pure and Antimony (Sb, x = 0.01%, 0.02% and 0.03%) doped Bi0.5Na0.5TiO3 electro ceramics were successfully synthesized by a conventional solid state reaction route. X-ray diffraction analysis showed that a distinct 002/200 peak splitting appears when doping percentage changes from 0.02 to 0.03, referring to a hexagonal symmetry. The data show the Lorentzian deconvolution of the 002 and 200 peaks of the tetragonal phase and the 202 peak of the rhombohedral phase. There is no significant change in the Raman spectra for the prepared compositions while some additional peaks around 151, 281, 585 and 853 cm-1 compared to the peaks observed in BNT. It may be possible that a morphotrophic phase boundary (MPB) exists around x = 0.03. Analysis of peak positions, widths and intensities of Raman spectroscopy study also confirmed the existence of structural change around x = 0.03 composition.

Cite this paper
Singh, K. , Sao, V. , Tamrakar, P. , Soni, S. , Dubey, V. and Bajpai, P. (2015) Structural and Raman Spectroscopic Study of Antimony Doped Bi0.5Na0.5TiO3 Electroceramic. Journal of Materials Science and Chemical Engineering, 3, 43-49. doi: 10.4236/msce.2015.38007.
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