Abstract
Films obtained after cathodic polarization at E c, −0.2 V≤ E c≤0.1 V (vs. RHE), in aqueous acid perrhenate have been investigated using cyclic voltammetry and ellipsometry. The thickness and optical indices corresponding to the electrodeposited rhenium layer were calculated. The results indicate the formation of a composite layer, with a volumetric fraction of about 30% of metallic rhenium and hydrogen occlusion.
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