Abstract
Fine particle strontium substituted lanthanum ferrites La 1− x Sr x FeO 3, where x=0.0–1.0, have been synthesized by the solution combustion method using corresponding metal nitrates, oxalyl dihydrazide (ODH) or tetra formal tris azine (TFTA). Formation of La 1− x Sr x FeO 3 was confirmed by the XRD and the fine particle nature of the ferrites investigated using SEM, particle size analysis and BET surface area measurements. La 1− x Sr x FeO 3 (up to x=0–0.4) exhibited low resistivity near the Neel temperatures. La 1− x Sr x FeO 3 with x≥0.8 when used as bifunctional electrodes, showed oxygen evolution and reduction activity comparable with the orthoferrites prepared by the conventional solid state method.
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