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Figure 7 | Nanoscale Research Letters

Figure 7

From: Uniform SiGe/Si quantum well nanorod and nanodot arrays fabricated using nanosphere lithography

Figure 7

SEM images and PL spectra of the etched MQW samples using a resized nanosphere template. SEM images showing (a) the resized nanospheres with a mean diameter of approximately 480 nm and (b) the resulting SiGe/Si MQW nanodot arrays. (c) PL spectra in the wavelength range from 1.2 to 1.6 μm of the as-grown and etched SiGe/Si MQW samples fabricated using a resized nanosphere template.

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