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Composite Nanowires from Ion Beam Modification of Si Nanowires

  • X. T. Zhou (a1), H. Y. Peng (a1), N. G. Shang (a1), N. Wang (a1), I. Bello (a1), C. S. Lee (a1) and S. T. Lee (a1)...


Composite nanowires with typical diameters of 30-100nm, which consisted of Si, β-SiC, amorphous carbon were converted from Si nanowires by ion beam deposition. The Si nanorods were exposed to broad low energy ion beams. The low energy hydrocarbon, argon and hydrogen ions, generated in a Kaufman ion source, reacted with Si nanowires and formed the composite nanowires. It has been assumed that the reaction pathway to form the composite nanowires were driven by both thermal diffusion and kinetic energic of interacting particles.



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