Abstract:We report a synthesis route to form a stable powder of SrCoO3-δ which show ferromagnetic component at room temperature. The powder was obtained from brownmillerite SrCoO2.5 using chemical oxidation. The x-ray diffraction pattern of the oxidized powder was best fitted using a tetragonal structure of I4/mmm with lattice constants of a = b = 10.87 Å, c = 7.664 Å and its oxygen content of 2.77 (δ 0.23) was measure by iodometric titration. In spite of a single-phase structure, the elemental compositions of oxidiz… Show more
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