Figure 1 | NPG Asia Materials

Figure 1

From: Ultrahigh-gain single SnO2 nanowire photodetectors made with ferromagnetic nickel electrodes

Figure 1

(a) Field emission scanning electron microscope (FE-SEM) image of as-grown SnO2 nanowires (NWs). Inset: X-ray diffraction (XRD) pattern of as-grown SnO2 NWs. (b) Transmission electron microscopy (TEM) image of as-grown SnO2 NW. (c) TEM image of annealed SnO2 NW. (d) SEM image of single SnO2 NW device. The distance of the channel between two terminals is 8 μm, and the diameter of the NW is ∼50 nm.

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