Flat-Top and Stacking-Fault-Free GaAs-Related Nanopillars Grown on Si Substrates

Figure 4

(a) SEM image of core-multishell (GaInP/air-gap)₂/GaInP/GaP nanowires on Si(111). (b) One simulation result by 3D-FDTD for the illustrated structure.

(a)

(b)