Abstract
BaZrO3 ceramic was synthesized by the conventional solid-state reaction method. The crystal structures were studied via X-ray diffraction, and lattice vibrational modes were obtained via Raman and Fourier transform far-infrared reflection spectroscopy. The results show that the BaZrO3 ceramic has a cubic perovskite structure. The Raman spectrum was fitted by the Lorentzian function, and the vibrators were assigned. The far-infrared spectrum with active modes was fitted using the four-parameter semiquantum models. Consequently, the modes were assigned as F (1)1u (122 cm−1), F (2)1u (215 cm−1) and F (3)1u (531 cm−1). The Raman vibrator A 1g , which has the highest wavenumber, is dominated by the breath vibration of the ZrO6 octahedron. Infrared modes F (1)1u and F (2)1u have the most contributions to the dielectric properties.
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This work was supported by the National Natural Science Foundation of China (Grant No. 61501409).
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We declare that we have no financial and personal relationships with other people or organizations that can inappropriately influence our work, there is no professional or other personal interest of any nature or kind in any product, service and/or company that could be construed as influencing the position presented in, or the review of this manuscript.
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Feng Shi and Helei Dong contributed equally to this work and should be considered co-first authors.
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Shi, F., Dong, H., Liu, Q. et al. Investigation and theoretical calculation of the lattice vibrational spectra of BaZrO3 ceramic. J Mater Sci: Mater Electron 28, 3467–3473 (2017). https://doi.org/10.1007/s10854-016-5944-9
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DOI: https://doi.org/10.1007/s10854-016-5944-9