Figure 3.

Energy variation during inter-tube sliding of a (9,0)@(18,0) carbon nanotube with no defects (squares-solid line), with a hillock SI pair (diamonds-dashed line) or a di-vacancy (triangles-dotted line) on the inner (9,0) shell.

Tsetseris and Pantelides Nanoscale Research Letters 2011 6:245   doi:10.1186/1556-276X-6-245
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