Figure 4.

The 90-nm-wide InAs nanofins on nanopatterned Si substrate. SEM (a) and high-resolution TEM (b) images of the 90-nm-wide InAs nanofins on nanopatterned Si substrate with SiO2 as sidewalls.

Hsu et al. Nanoscale Research Letters 2012 7:642   doi:10.1186/1556-276X-7-642
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