Figure 5.

The schematic illustration of the growth mechanism. (1) CoCl2(g) + H2(g) → Co(s) + 2HCl(g), (2) 2CoCl2(g) + 3Si(s) → 2CoSi(s) + SiCl4(g), (3) SiCl4(g) + 2H2(g) → Si(g) + 4HCl(g), (4) 2Si(g) + O2(g) → 2SiO(g), and (5) Co(solid or vapor) + 2SiO(g) → CoSi(s) + SiO2(s).

Lu et al. Nanoscale Research Letters 2013 8:308   doi:10.1186/1556-276X-8-308
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