Abstract
In order to characterize the local structure of Pb1-xCaxTiO3(PCT) samples, Ti K-edge XANES measurements were performed and showed that Ca incorporation to PbTiO3structure leads to a decreasing of local distortion of Ti atoms in relation to oxygen atoms at the TiO6octahedra. Moreover, according to EXAFS measurements, the local structure around Ti atoms exhibits tetragonal symmetry withP4mmspace group for samples with x 0.475, whereas orthorhombic symmetry withPbnmspace group was observed for x equals to 0.50 and 0.55.
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