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1 Materials Science Poland

1 2012

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Ultra-high crystallinity millimeter long multiwall carbon nanotubes fabricated by mechanothermal method

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Manafi S. A. , Rahimipour M. R. , Soltanmoradi A.

Materials Science Poland

2012

tom Vol. 30, No. 3

226--230

In this work, multi-walled carbon nanotubes (MWCNTs) with ultra-high crystalline structure have been prepared by mechanothermal (MT) method. The novel super nanostructure is introduced for the first time as an extraordinary fullerene-carbon based material which, due to its special electronic and mechanical properties, can be used to construct unique building blocks for nanoengineering. Initially, high ultra-active graphite powder has been obtained by mechanical activation under Ar atmosphere. Finally, the mechanically activated product is heat-treated at 1350 °C for 3-4 h under an Ar gas flow. However, the crystallite size and crystallinity degree of the MWCNTs increased with the increase in annealing temperature.