Figure 3.

(a,b)
    TEM
images of typical Co-PSi structures showing Co NPs into the PSi matrix; (c) STEM image of typical Co-PSi structures, showing the Co NPs in a brighter tone than the matrix, composed by a lighter element (Si and O).

Muñoz-Noval et al. Nanoscale Research Letters 2012 7:495   doi:10.1186/1556-276X-7-495
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