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Synthesis And Characterization Of Barium Lanthanum Titanates, Jyoti P. Guha
Synthesis And Characterization Of Barium Lanthanum Titanates, Jyoti P. Guha
Materials Science and Engineering Faculty Research & Creative Works
Ternary compounds in the system BaO—TiO2—La2O3 were prepared by the solid‐state reaction technique at temperatures between 1300° and 1400°C using precursor oxides as the starting materials. In an alternative processing technique, BaTiO3 was reacted with appropriate proportions of prefabricated lanthanum titanates at 1350°C to obtain the compounds. Two compounds were identified in the TiO2‐rich region of the system. The X‐ray powder diffraction pattern of a compound with a chemical composition BaLa2Ti3O10 (BaO·La2O3·3TiO2) is indexed on the basis of an orthorhombic unit …