Fabrication of arrays of vertical Cobalt Nanowires aligned on flat surfaces and field emission (FE) by using them as electron cathodes

Cobalt nanowires with a diameter of about 93 nm  are made using electroplating technique on the aluminum mold of nanowires by galvanostatic deposition method. Aluminum mold is made through multi-stage monodizing of pure aluminum sheet. Fabrication of arrays of vertical cobalt nanowires aligned on flat surfaces and field emission (FE) by using them as electron cathodes.  These arrays are made by electrodeposition in the form of nanoparticles on Au substrates. Ti/Si are obtained at very low temperature (<100°C).  After pattern removal, the arrays consist of structurally upright nanowires with high aspect ratios, uniform dimensions, and predetermined densities.  Electron field emission measurements of metallic properties and propagation of cobalt nanowires. In the reproduction of cobalt oxide nanotubes, cobalt nanowires embedded in alumina pattern are synthesized in air.

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The morphology and phases of nanowires/nanotubes are investigated by transmission electron microscope (TEM) and X-ray diffraction (XRD), respectively.   The electronic reaction of cobalt nanowires between the oxidation and evaporation of cobalt nanocrystals plays an important role in the formation of such an electronic nanostructure.

Conclusion:

The technology of cobalt nanowires in the approximate dimensions of 1 to 100 nm, where only one phenomenon of its kind offers descriptive applications, is in the capacity of matter.