Formation of Germanium Nitride Nanowires on the Surface of Crystalline Germanium

Figure 7

XRD patterns of nanowires scratched off the substrate (a) and attached to the Ge source (b); TEM image of Ge₃N₄ nanowire root (c); HRTEM images of points marked on (c) with letters “d,” “e,” and “f” ((d)–(f)); (g) represents the fast Fourier transform of (d). The arrows in (g) are indicating the spots of α- and β-Ge₃N₄ phases.