Anant Babu Marahatta
Ph.D. student in Chemistry
Tohoku University,Japan
A carbon nanotube may be considered as a hollow cylinder formed by rolling up a graphite sheet. The chirality and diameter of a carbon nanotube is uniquely defined by a vector (n, m), na + mb; where a and b denote the unit vectors of the hexagonal lattice and n and m are integers.
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Fig ; 2. A unit cell of a system of twelve carbon nano tubes and 1540 water molecules. |

