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A series of Sc-doped lanthanum titanate perovskites, LaTi(1 − x)ScxO3 + δ with x = 0, 0.2, 0.25 and 0.3, was prepared by sol-gel method. All compositions were found to exhibit orthorhombic crystal structure. An increase in unit cell volume was observed for composition with x = 0.2. The oxidation states of La3+, Sc3+ and Ti3+ ions have been established using X-ray photoelectron spectroscopy (XPS)...
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