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SEM images from cobaltous—polyaniline coatings with different thickness: (a) 10.38 μm, (b) 17.26 μm, 21.08 μm (c), 23.57 μm (d), and (e) 26.03 μm. It can be appreciated in the first images (a and b) that the morphology is more porous that for the last ones (d,e). Reprinted from (Vijayan et al., 2008) with permission of Elsevier.
