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(a) A typical SEM image of nanowires with 0.6 g . (b) XRD spectrum of nanowires with different amounts of doping source indicating the absence of the second phase in each sample.
(a) TEM image and (b) diffraction pattern of the nanowire with 2.59% Co content. Localized cobalt of different parts of an individual nanowire are also shown in (a), demonstrating that cobalt ions are uniformly distributed in nanowires. (c) TEM image and (d) diffraction pattern of nanowire with 5.16% Co content. The corresponding atomic resolution image is shown in (e). Black arrows indicate the planar defects in the nanowire. (f) shows an EDS spectrum of nanowires.
(a) curves of nanowires with different Co contents at 5 K. (b) curves of nanowires with 5.16% Co content at different temperatures.
Room temperature measurements of nanowires with different Co contents. The inset shows the SEM image of the nanowire device.
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