H3O+-dependent morphological change in the electrochemical deposition of iron |
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| Affiliation: | 1. Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 Rue Sainte Elisabeth, Strasbourg 67000, France;2. Unité Mixte de Recherche 1121, Institute National de la Santé et de la Recherche Médicale, 1 Rue Joseph Boeckel, Strasbourg 67084 CEDEX, France;3. Department of Chemical Sciences, University of Naples Federico II, Via Cintia 4, Naples 80126, Italy;1. Department of Statistics and Informatics, Rural Federal University of Pernambuco, Brazil;2. Center of Informatics, Federal University of Pernambuco, Brazil;3. Department of Computer Science, Federal University of Minas Gerais, Brazil |
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| Abstract: | By in situ optical microscopy and scanning electron microscopy, we investigate the morphology of the iron electrodeposit grown at different H3O+ concentration in the electrolyte. The chemical composition of the electrodeposit is analyzed by X-ray diffraction and Mössbauer spectroscopy. It seems that the morphological transitions observed in this system do not relate to the oxidation/passivation of the metallic deposit during the growth. The possible origin of the dependence of deposit morphology on the H3O+ in the electrolyte is discussed. |
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