Satellite structure in the x-ray photoelectron spectra of the K shell of transition metal compounds

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Abstract
Satellite structure has been measured in the x−ray photoelectron spectra for FeCl3, FeBr3, K3Fe(CN)6, and K4Fe(CN)6. Specifically, comparisons were made of the satellites found in photoelectron spectra of the 2p and 1s subshells of iron. To interpret the data, calculations are presented on electron shake up and shake off, and multiplet splitting as a function of the location of the inner shell vacancy in iron. It is demonstrated, theoretically, that satellite structure found in the photoionization of the K shell of iron must be due to electron shake up and not multiplet splitting. From experimental data on FeCl3 and FeBr3, the conclusion is reached that the satellite structure formed as the result of photoionization in the 2p shell is due primarily to electron shake up.