Dimerization and Fusion of two C60 Molecules

Details Dimerization and Fusion of two C60 Molecules Dimerization and Fusion of two C60 Molecules

2007-04-19

arxiv.org/abs/0704.2502v1

Physics

Condensed Matter

Materials Science

18 pages and 8 figures

Scientific paper

10.1016/j.chemphys.2007.12.023

We investigate the dimerization and fusion of C60 molecules to form various C60 dimers when pushed against each other at several inter-molecular distances. We study the stability of this dimerized C60 molecule based on its binding strength provided by intramolecular interactions. Tersoff potential, which is considered to represent intramolecular interactions well, has been used to calculate potential energy at these distances of separation and for all possible orientations of the molecules. We observe that several minimum energy configurations exist at various distances between the C60 molecules. Our calculation shows that apart from the dumbbell structures, many interesting composite phases also result, such as fused, peanut and carbon nanotubes of geometry (5,5) and (10,0) of certain specific length.

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