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|Title: ||Studying the effects of Zr-doping in (Bi0.5Na0.5)TiO3via diffraction and spectroscopy|
|Authors: ||Blanchard, PER|
|Keywords: ||BUILDING MATERIALS|
|Issue Date: ||1-Jan-2014|
|Publisher: ||Royal Society of Chemistry|
|Citation: ||Blanchard, P. E. R., Samuel, L., Kennedy, B. J., Ling, C. D., Zhang, Z. M., Avdeev, M., . . . Chen, J. -L. (2014). Studying the effects of Zr-doping in (Bi0.5Na0.5)TiO3 via diffraction and spectroscopy. Dalton Transactions, 43(46), 17358-17365 doi: http://dx.doi.org/10.1039/c4dt02520b|
|Abstract: ||The structural properties of (Bi0.5Na0.5)Ti1−xZrxO3 (where 0 ≤ x ≤ 0.7) have been investigated using powder diffraction and X-ray absorption spectroscopy. Diffraction measurements on (Bi0.5Na0.5)TiO3 confirm that both monoclinic Cc and rhombohedral R3c phases are present at room temperature. Doping small amounts of Zr into the B site of (Bi0.5Na0.5)TiO3 initially stabilizes the rhombohedral phase before the orthorhombic Pnma phase begins to form at x = 0.5. Analysis of the Ti K-edge and Zr L3-edge XANES spectra show that the crystallographic phase change has very little effect on the local structure of Ti4+/Zr4+ cations, suggesting that there is little change in the cation off-center displacement within the BO6 octahedra with each successive phase change. Published by the PCCP Owner Societies|
|Appears in Collections:||Journal Articles|
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