Increasing the length of single-wall carbon nanotubes in a magnetically enhanced arc discharge
Keidar, Michael, Levchenko, Igor, Arbel, Tamir, Alexander, Myriam, Waas, Anthony M., & Ostrikov, Kostya (2008) Increasing the length of single-wall carbon nanotubes in a magnetically enhanced arc discharge. Applied Physics Letters, 92(4), 043129-1.
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 μm 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.
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|Item Type:||Journal Article|
|Keywords:||carbon nanotubes, magnetic fields, carbon, plasma sheaths, anodes|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2008 American Institute of Physics (AIP)|
|Deposited On:||11 Jul 2014 01:13|
|Last Modified:||14 Jul 2014 03:06|
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