M\"ossbauer and X-ray Photoelectron Spectroscopy Studies of Fe2BiMO7 (M = Sb, Ta) pyrochlore compounds synthesized by molten salts method
Abstract
Polycrystalline samples of Fe2BiMO7 (M = Sb, Ta) compounds with pyrochlore-type structure were synthesized for the first time by the molten salts method. The compounds were obtained in one hour at 950 C. The structures were determined by Rietveld refinement. Through M\"ossbauer spectroscopy and X-ray photoelectron spectroscopy, the site occupancies and ionic states of the cations in the pyrochlore structure were investigated.Polycrystalline samples of Fe2BiMO7 (M = Sb, Ta) compounds with pyrochlore-type structure were synthesized for the first time by the molten salts method. The compounds were obtained in one hour at 950 C. The structures were determined by Rietveld refinement. Through M\"ossbauer spectroscopy and X-ray photoelectron spectroscopy, the site occupancies and ionic states of the cations in the pyrochlore structure were investigated.
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