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Empirical relationship between x-ray photoemission spectra and electrical conductivity in a colossal magnetoresistive manganite La1−<i>x</i>Sr<i>x</i>MnO3
By using laboratory x-ray photoemission spectroscopy (XPS) and hard x-ray photoemission spectroscopy (HX-PES) at a synchrotron facility, we report an empirical semi-quantitative relationship between the valence/core-level x-ray photoemission spectral weight and electrical conductivity in La1−xSrxMnO3 as a function of x. In the Mn 2p3∕2 HX-PES spectra, we observed the shoulder …