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Portugaliae Electrochimica Acta
Print version ISSN 0872-1904
Abstract
FERREIRA, M. Júlia J. and BELO, M. da Cunha. Influence of the Chemical Composition of Stainless Steels on the Electronic Structure of Passive Films Formed in Artificial Sea Water. Port. Electrochim. Acta [online]. 2004, vol.22, n.3, pp.263-278. ISSN 0872-1904.
The electronic structure of the passive films formed on stainless steels of different chemical composition in artificial sea water is examined by capacitance measurements (Mott-Schottky approach) and photo-electrochemistry. Analytical characterization is carried out by Auger Electron Spectroscopy. The influence of the main alloying elements (Cr, Ni) on the development of space charge regions, which can be described as a depletion or accumulation layers are discussed.
Keywords : stainless steels; passive films; electronic structure.