Growth and Characterization of High-Quality GaN Nanowires on PZnO and PGaN by Thermal Evaporation

Figure 4

PL spectrum of the (a) as-grown PZnO, (b) GaN NWs on PZnO, (c) as-grown PGaN, and (d) GaN NWs on the PGaN substrate at room temperature (300 K).

(a)

(b)

(c)

(d)