Abstract
Structural properties of BaTiO3, CaTiO3 and Ba0.85Ca0.15Ti0.9 Zr0.1O3 prepared by conventional solid state reaction technique, at different calcinations temperatures 1100, 1150 and 1280 °C and sintering temperatures (1200 and 1300 °C) are studied. These compositions were selected because of their interesting piezoelectric properties. To follow the decomposition process of the precursor, a differential thermal analysis coupled with thermogravimetric analysis (ATG-ATD) was performed. Structural parameters are analyzed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The obtained results showed clearly the synthesis of the perovskite phase. The diffractogram illustrates that BCTZ symmetry is both cubic with a Pm-3 m space group and orthorhombic with a R3m space group, the calculated phase rates are respectively 10% and 90%. The results allowed us to specify the effect of sintering temperatures on the structural properties of ceramics.
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Sedda, K., Djafar, R., Boumchedda, K., Boukazouha, F., Latef, M. (2020). Synthesis of Lead-Free Ceramics of the Perovskite Type for Piezoelectric Applications by Conventional Solid-State Reaction. In: Benmounah, A., Abadlia, M.T., Saidi, M., Zerizer, A. (eds) Proceedings of the 4th International Symposium on Materials and Sustainable Development. ISMSD 2019. Springer, Cham. https://doi.org/10.1007/978-3-030-43268-3_19
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DOI: https://doi.org/10.1007/978-3-030-43268-3_19
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