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Title: Studying the effects of Zr-doping in (Bi0.5Na0.5)TiO3 via diffraction and spectroscopy
Authors: Blanchard, PER
Liu, S
Kennedy, BJ
Ling, CD
Zhang, Z
Avdeev, M
Jang, LY
Lee, JF
Pao, CW
Chen, JL
Keywords: Building materials
X-ray spectroscopy
Trigonal lattices
Issue Date: 13-Oct-2014
Publisher: Royal Society of Chemistry
Citation: Blanchard, P. E. R., Liu, S., Kennedy, B. J., Ling, C. D., Zhang, Z., Avdeev, M., Jang. L. Y., Lee, J. F., Pao, C. W., & Chen, J. L. (2014). Studying the effects of Zr-doping in (Bi0.5Na0.5)TiO3via diffraction and spectroscopy. Dalton Transactions, 43(46), 17358-17365. doi: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. © The Royal Society of Chemistry 2014
Gov't Doc #: 6721
ISSN: 1477-9234
Appears in Collections:Journal Articles

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