The Change of the LMM Auger Spectra in 3d-Metals Due to Oxidation and Its Correlation with the Change of the Atomic Magnetic Moment
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Abstract
The surfaces of crystalline samples of 3d-metals (Mn, Fe, Co, Ni, and Cu) and their stoichiometric oxides have been studied by Auger spectroscopy. A correlation between the change in the LVV (L-inner level-valence-valence electron transition) Auger intensities and the change of the squares of the corresponding atomic-magnetic moments has been observed. This is because of the complicated nature of the Auger process. That is, the Auger electron emission is a result of the inner atomic level excitation by electron impact and Auger annihilation of the inner-level hole. Therefore, the Auger process has been considered a second-order process, and spin polarization of the valence states has been taken into account for the LMM (L-inner level-M-inner level-M-inner level electron transition) Auger spectra of 3d-metals.
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OpenAlex topics: Electron and X-Ray Spectroscopy Techniques · Surface and Thin Film Phenomena · ZnO doping and properties
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References (9)
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