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Z. Ž. LAZAREVIĆ1,* , N. Ž. ROMČEVIĆ1, J. D. BOBIĆ2
Bi-layered structure ferroelectric material-bismuth titanate, Bi4Ti3O12 (BIT) and barium-bismuth titanate, BaBi4Ti4O15 (BBT) ceramic powders were prepared by mechanical synthesis process. BaBi4Ti4O15 was prepared from stoichiometric quantities of barium titanate and bismuth titanate obtained via mechanochemical synthesis. Barium titanate, BaTiO3 has been synthesized from mixture of BaO and TiO2 and bismuth titanate, Bi4Ti3O12 was prepared starting from Bi2O3 and TiO2, commercially available. The reaction mechanism of BaBi4Ti4O15 and the preparation and characteristics of BBT ceramic powders were studied using XRD, Raman spectroscopy, particle analysis and SEM. The Bi-layered perovskite structure of BaBi4Ti4O15 ceramic forms at 1100 °C for 4 h. Microstructure of Bi4Ti3O12 is in accordance with the view that Bi4Ti3O12 exhibits plate-like grains with the average grain size increasing with the sintering temperature. It is evident that Ba2+addition lead to the change in the microstructure development, particularly in the change of the average grain size.
BaBi4Ti4O15, Milling, Sintering, XRD, Raman spectroscopy.
Z. Ž. LAZAREVIĆ, N. Ž. ROMČEVIĆ, J. D. BOBIĆ, Study of ferroelectric BaBi4Ti4O15 obtained via mechanochemical synthesis, Optoelectronics and Advanced Materials - Rapid Communications, 3, 7, July 2009, pp.700-703 (2009).
Submitted at: June 25, 2009
Accepted at: July 20, 2009
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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