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Figure 2 | Nanoscale Research Letters

Figure 2

From: Growth and characterization of gold catalyzed SiGe nanowires and alternative metal-catalyzed Si nanowires

Figure 2

SEM images, Raman spectra and Ge fraction of SiGe NW. SEM images of SiGe NW grown during 40 min at 375°C with (a) R = 0.15 and (b) R = 0.09. (c) Raman spectra collected from samples (a,b). Arrows are pointing at the Si-Si peaks in SiGe used for calculating the Ge fraction. The inset highlights the peaks' shift between two different compositions (Raman shift = 488 cm-1 for R = 0.15 and 499 cm-1 for R = 0.09). (d) Representation of the Ge composition of the SiGe NW as a function of R.

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