830157.fig.003a
(a)
830157.fig.003b
(b)
830157.fig.003c
(c)
830157.fig.003d
(d)
Figure 3: SEM images of ZnS/Si cables with different diameters of (a) 200 nm; (b) 500 nm; (c) 700 nm; (d) 900 nm.