Abstract
Successful preparation of perovskite oxides of chemical formula La0.3R0.2Sr0.5Ti0.5Fe0.5O3 (R = La, Nd, Gd, and Dy) has been achieved by citrate-gel precursor method, and their structures were determined using powder X-ray diffraction (XRD). The Rietveld analysis of the XRD data showed that all the samples have anti-site disorder. Anti-site disorder has not been seen to alter the symmetry of crystal structure but leads to tilt of the Fe3+ neighbouring octahedral which by its role gives rise to canted anti-ferromagnetism as a result of anti-parallel misalignment of the magnetic moments of the Fe3+ ions.
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