Figure 1.

SEM images of as-synthesized nanowires. At silicon substrate temperatures of (a) 750°C ~ 800°C, (b) 800°C ~ 850°C, (c) 850°C ~ 880°C, and (d) 880°C ~ 900°C, respectively.

Lu et al. Nanoscale Research Letters 2013 8:308   doi:10.1186/1556-276X-8-308
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