Figure 9From: Silicon and Germanium Nanostructures for Photovoltaic Applications: Ab-Initio ResultsElectronic wave function localization for VBM (a) and CBM (b) at Γ point for an Abrupt SiGe NW with diameter d = 1.2 nm and composition x Ge = 0.5. Blue spheres represent Ge atoms, cyan spheres represent Si atoms, while white spheres are H atoms used to saturate the dangling bonds (color online)Back to article page