Figure 1.

Energy variation during consecutive migration steps of a C SI in a (9,0)@(18,0) carbon nanotube. The arrows show the rate-limiting step that determines a diffusion barrier of about 1.6 eV.

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