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Tower-like GaN nanowires were successfully fabricated on Au-coated Si substrates by chemical vapor deposition. The tower-like nanowire consisted of a nanowire at the center and microcrystal layers stacked one by one around the nanowire. The tower-like nanowires grew along the [0001] direction, and the exposed surfaces of the microcrystal layers are and facets. The growth mechanism of the...
Catalyst growth carbon and Si-C-N nanotubes have been synthesized successfully by microwave plasma chemical vapor deposition (MPCVD) method using CH 4 +H 2 or CH 4 +N 2 as gas sources, Si columns as additional Si solid sources, and Fe, Fe-Y, Co-Ni as catalysts. Nanotubes consisting of Si, C and N were made under process gases of CH 4 +N 2 , and with...
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