The growth of self-organized nanotubes at the grain boundary of iron-nitride was demonstrated. It was shown that biasing promotes the growth of carbon nanotubes (CNT) where the growth rate of CNTs was much faster than the diffusion rate. A densely packed grain microstructure with distinct grain boundaries was also observed. It was concluded that self-organized and well-aligned CNTs could be grown on Fe-N layers.
- A. Carbon nanotubes
- B. Chemical vapor deposition
- C. Transmission electron microscopy
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