Figure 3From: Fabrication, characterization, and kinetic study of vertical single-crystalline CuO nanowires on Si substratesSEM images and EDS spectra of the oxidized sample. (a) A representative cross-sectional SEM image and (b) the corresponding high-magnification image of the thermally oxidized sample; (c) EDS spectra taken from the regions marked as (i), (ii) and (iii) shown in (b).Back to article page