Figure 3.

Structures of the adsorption of NH3 on SiNWs. Viewed from top (upper) and sidewalls other than the {110} facetside (lower): (a, b, c) the SiNWs grown along the [112], [110], and [001] directions, respectively. Yellow, white, and blue spheres indicate Si, H, and N atoms, respectively.

Miranda et al. Nanoscale Research Letters 2012 7:308   doi:10.1186/1556-276X-7-308
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