Journal
APPLIED PHYSICS LETTERS
Volume 92, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2839609
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It is demonstrated that a magnetic field has a profound effect on the length of a single-wall carbon nanotube (SWCNT) synthesized in the arc discharge. The average length of SWCNT increases by a factor of 2 in discharge with magnetic field as compared with the discharge without magnetic field, and the yield of long nanotubes with lengths above 5 mu m also increases. A model of SWCNT growth on metal catalyst in arc plasma was developed. Monte-Carlo simulations confirm that the increase of the plasma density in the magnetic field leads to an increase in the nanotube growth rate and thus leads to longer nanotubes. (C) 2008 American Institute of Physics.
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