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hello I am mark tanker and it is May of 2018 today Iamp;#39;m going to discuss some of the basics of the structure nature of XPS spectra in a previous talk which is available on YouTube I discussed the basic principles of XPS the ejection of Korhal electrons by x-rays leads to an excited state of the surface atoms which leads to many features in the resulting spectra as these atoms react to the absorbed energy in XPS the surface of the solid of a solid is irradiated with soft x-rays and the kinetic energy of the emitted electrons is determined the kinetic energy is then converted to the binding energy shown along the x axis here ing to this equation where the kinetic energy is subtracted from the energy of the exciting x-ray this binding energy is plotted here as I said and the intensity is plotted along the y axis the y axis is then converted to concentration using suitable sensitivity factors chemical shifting and XPS spectra the position of a core level peak on the binding energy a
