Abstract:The electronic structure of the colossal magnetorcsistance perovskite manganite materials, Lao.65Pbo.35MnO3 and Lao.TSro.aMnOa, has been studied by X-ray photoemission spectroscopy (XPS). The ls core level spectra of oxygen (O(Is)) exhibit double-peak structure with asymmetric intensities characteristic for different clmmieal environments. Ab-initio calculations allow identifying source of the peaks. The higher peak in the lower binding energy is associated with ten of oxygen atoms, and the rest of oxygen atom… Show more
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