Abstract

Crystal structure refinement of CaTiO3 and CaTi0.99Nb0.01O3 ceramics data measured by synchrotron x-ray diffraction technique revealed orthorhombic (Pbnm) perovskite symmetry for both the ceramics. TiO6 octahedra exhibited slight distortions from the ideal cubic perovskite symmetry that was attributed to the size ratios of the two types of cations occupying A- and B-sites.

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