Figure 7.

PL properties of Si/Ge NWs as a function of photon flux. (a) PL intensity at 1,220 nm detected at 11 K as a function of the photon flux. The red line is a fit to the data. (b) Time-decay curves of the PL signal at 1,220 nm performed at 11 K and for different photon fluxes.

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