Abstract

Single crystals of iron(IV) containing oxides, Sr1.51Nd0.49FeO4, Sr1.53Sm0.47FeO4, and Sr1.65Eu0.35FeO4, were grown out of molten hydroxide fluxes. The structures were determined by single crystal X-ray diffraction. They crystallize in tetragonal space group I4/mmm with the K2NiF4 type structure. The average Fe valences in these mixed valent iron containing oxides range from 3.53 to 3.65. Single crystals of Sr2-x Ln xFeO4 (Ln = Nd, Sm, Eu) were grown out of hydroxide fluxes and their structures were determined by single crystal X-ray diffraction.

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