Figure 4 .

TEM characteristics of nanowires. Low-magnification TEM images of the nanowires grown with the Ga source at (a) 15- and (b) 20-cm distances. The insets in (a) and (b) are diffraction patterns of the nanowires in (a) and (b), respectively.

Hou et al. Nanoscale Research Letters 2012 7:373   doi:10.1186/1556-276X-7-373
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