An x-ray photoelectron spectroscopy (XPS) analysis is performed on a sample and peaks were detected at kinetic energies of 690, 720, 910 and 920 eV. Assuming that the x-ray source was Al Ka and that the work function of the detector is negligible, calculate the kinetic energies at which these peaks occur

An x-ray photoelectron spectroscopy (XPS) analysis is performed on a sample and peaks were detected at kinetic energies of 690, 720, 910 and 920 eV. Assuming that the x-ray source was Al Ka and that the work function of the detector is negligible, calculate the kinetic energies at which these peaks occur

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