Figure 5.

SEM images of SiGe NRs etched at a solution temperature at various times. SEM images of SiGe NRs etched at solution temperature of 25°C for (a) 5, (b) 10, (c) 15, and (d) 20 min.

Lai et al. Nanoscale Research Letters 2012 7:140   doi:10.1186/1556-276X-7-140
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