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XPS study of oxide nucleation and growth mechanisms on a model FeCrNiMo stainless steel surface

Abstract : High resolution X-ray photoelectron spectroscopy analysis has been used to investigate, in-situ, the mechanisms for oxide nucleation and growth on a FeCrNiMo single crystal alloy. Ultra-high vacuum conditions provided the ideal environment in which an oxide-free surface could be oxidised in a controlled manner, using extremely low pressures and step-wise exposures of oxygen. In-situ snapshot measurements, which records an XPS spectrum every 10 s, provided insight into the mechanisms of chromium and nitrogen segregation during annealing of the sample. High resolution XPS spectra was used to follow the evolution of the key elements at step-wise intervals, allowing for detailed insights into the nucleation and growth mechanisms. Angular XPS analysis provided further information on the in-depth distribution and stratification of the oxide film.
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https://hal.archives-ouvertes.fr/hal-03409242
Contributor : Vincent Maurice Connect in order to contact the contributor
Submitted on : Friday, October 29, 2021 - 3:26:18 PM
Last modification on : Tuesday, January 4, 2022 - 6:34:49 AM

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Benjamin Lynch, Frédéric Wiame, Vincent Maurice, Philippe Marcus. XPS study of oxide nucleation and growth mechanisms on a model FeCrNiMo stainless steel surface. Applied Surface Science, Elsevier, 2022, 575, pp.151681. ⟨10.1016/j.apsusc.2021.151681⟩. ⟨hal-03409242⟩

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