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Collision of a single-walled carbon nanotube with graphitic patches

The collision of a single-walled carbon nanotube (SWCNT) with two graphitic patches has been simulated by the tight-binding molecular dynamics method. We found that it is possible that a close-ended SWCNT with a large diameter can be formed by this kind of collision. This is a possible route in which a SWCNT with a small radius can convert into a SWCNT with a larger radius.