Figure 3.

Photoluminescence spectra. (a) The spectra of samples grown by changing the flow rate of SiH4 gas at a fixed CH4 gas flow rate of 10 sccm and (b) PL peak positions as functions of the flow rates of SiH4 gas.

Kim et al. Nanoscale Research Letters 2012 7:634   doi:10.1186/1556-276X-7-634
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