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Publications: Articles

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Di Giovannantonio, Marco, El Garah, Mohamed, Lipton-Duffin, Josh, Meunier, Vincent, Cardenas, Luis, Fagot-Revurat, Yannick, Cossaro, Albano, Verdini, Alberto, Perepichka, Dmitrii F., Rosei, Federico and Contini, Giorgio
ACS NANO, 8(3):1969-1971
ISSN: 1936-0851

Equipe: Département P2M : Surfaces et Spectroscopies

Nominé, A., Martin, J., Noel, C., V. Bardin, I., L. Kovalev, V., Belmonte, T., G. Rakoch, A. and Henrion, G.
Applied Physics Letters, 104:081603

Resume: Plasma electrolytic oxidation (PEO) processing of EV31 magnesium alloy has been carried out in fluoride containing electrolyte under bipolar pulse current regime. Unusual PEO cathodic microdischarges have been observed and investigated. It is shown that the cathodic micro-discharges exhibit a collective intermittent behavior, which is discussed in terms of charge accumulations at the layer/electrolyte and layer/metal interfaces. Optical emission spectroscopy is used to determine the electron density (typ. 1015cm_3) and the electron temperature (typ. 7500K) while the role of F_ anions on the appearance of cathodic micro-discharges is pointed out.

Equipe: Département CP2S : Expériences et Simulations des Plasmas Réactifs - Interaction plasma-surface et Traitement des Surfaces ESPRITS

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