Figure 3.

SEM 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).

Cheng and Chen Nanoscale Research Letters 2012 7:119   doi:10.1186/1556-276X-7-119
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