Figure 3From: Synthesis, Electrical Measurement, and Field Emission Properties of α-Fe2O3NanowiresFE-SEM images of α-Fe2O3 NWs grown on (a) 30 nm, (b) 50 nm, (c) 100 nm, and (d) 150 nm iron films, and (e) the population density of α-Fe2O3 NWs as a function of the film thicknessBack to article page