Deviation from Regular Shape in the Early Stages of Formation of Strain-Driven 3D InGaAs/GaAs Micro/Nanotubes

Figure 5

PL spectrum of the as-grown structure measured at 10 K with peak emission energy at 1.383 eV (red line) compared to the calculated emission energy of the structure with X-ray derived parameters, 1.387 eV (purple line).