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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Advances in Ceramic Materials and Processing
Presentation Title Synthesis, Structural Characterization and Thermodynamic Simulation of La3+/Bi3+-Doped BaTiO3
Author(s) M. I. Valenzuela-Carrillo, M. Pérez-Labra , J. A. Romero-Serrano, J. M. Flores-Márquez, J. J. López-Rodriguez, I. Mendoza-Sánchez , M. Reyes-Pérez , F. R. Barrientos-Hernández , E. D. German-Magaldi
On-Site Speaker (Planned) M. I. Valenzuela-Carrillo
Abstract Scope In this study, pure and La3+/Bi3+ co-doped BaTiO3 powders were synthesized via ball milling followed by thermal treatment. High-purity BaCO3, TiO2, La2O3, and Bi2O3 precursors were used, and stoichiometric calculations were based on the Ba1-3xLa2xTi1-3xBi4xO3 formula, with concentrations of x = 0.000, 0.005, 0.010, and 0.050. Structural characterization was performed using X-ray diffraction and Rietveld refinement, while morphological analysis was conducted by scanning electron microscopy. The XRD and refinement results revealed a tetragonal-to-cubic phase transition at x = 0.010, and the formation of a BaBiO3 secondary phase at x = 0.050, indicating the solubility limit of the dopants. Thermodynamic simulations were carried out to evaluate the phase evolution of the precursor mixtures as a function of temperature.
Proceedings Inclusion? Planned:
Keywords Ceramics, Characterization, Powder Materials

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