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New insight on early oxidation stages of austenitic stainless steel from in situ XPS analysis on single-crystalline Fe–18Cr–13Ni

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Academic year: 2021

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Table 1 Fitting parameters obtained by reconstruction of the XPS core level spectra Core level State BE (±0.1 eV) FWHM (±0.1 eV) Asymmetry index
Fig. 1. Real-time nitrogen segregation on Fe-18Cr-13Ni(100) as measured by XPS in Snapshot mode upon annealing the sputter-cleaned surface: (a) variation of normalized N 1s intensity, (b) nitrogen segregation rate and fitting curve (see text for details).
Fig. 2. Real-time oxygen uptake on Fe-18Cr-13Ni(100) as measured by XPS in Snapshot mode during oxidation: (a) normalized intensity of O 1s as a function of O 2 exposure in the 0–100 L range, (b) enlarged 0–25 L range
Fig. 3. Reconstruction of the XPS (a) Fe 2p, (b) Cr 2p, (c) N 1s core level regions for Fe-18Cr-13Ni(100) exposed to oxygen from 0 to 14 L at RT (take-off angle 45 ◦ )
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