Figure 4.

Raman analysis of Si/Ge NWs. Comparison between the Raman spectra of Si/Ge NWs (blue continuous line) and bulk crystalline Si (red dashed line). A fit to the spectrum of Si/Ge NWs gives a diameter mean value of 8.2 ± 1.0 nm.

Irrera et al. Nanoscale Research Letters 2014 9:74   doi:10.1186/1556-276X-9-74
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