Figure 5.

PL spectra of Si/Ge NWs. (a) Room temperature spectrum in the visible region. (b) Spectrum in the IR region obtained at 11 K. Both spectra were obtained with a photon flux of 3.1 × 1020 cm−2 · s−1.

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