Abstract-Nanostructured perovskites with formula LaMO 3 (M = Co, Al) were synthesized by the co-precipitation method and characterized with X-ray Diffraction (XRD), Energy Dispersive X-ray Spectrometry (EDX), X-ray Fluorescence spectrometry (XRF) and Scanning Electron Microscopy (SEM) techniques. The XRD pattern confirmed that all samples are perovskite oxide. Elemental compositions of LaMO 3 were investigated by EDX. The EDX pattern of LaCoO 3 showed the presence of La, Co, and O while La, Al, O and K (as impurity) were detected in LaAlO 3 . SEM micrographs indicated that all perovskite samples were nanosized particles having difference morphologies.
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