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Carbon nanotubes can be grown between self-assembled
silicon-germanium quantum dots (a), forming a network of suspended
nanotubes (b). The nanotubes were grown by chemical vapor deposition
(CVD) at a temperature of 900 C.
For more details see, "Template-directed carbon nanotube network
using self-ordered Si nanocrystals," B. Yang, M. S. Marcus,
D. G. Keppel, P. P. Zhang, Z. W. Li, B. J. Larson, D. E. Savage,
J. M. Simmons, O. M. Castellini, M. A. Eriksson, and M. G. Lagally,
Appl. Phys. Lett. 86, 263107 (2005)
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