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Grain boundaries with octagonal defects in graphene nanoribbons and nanotubes

AuthorsPelc, M. ; Chico, Leonor ; Ayuela, Andrés ; Jaskólski, W.
Issue Date2013
PublisherAmerican Physical Society
CitationPhysical Review B 87: 165427 (2013)
AbstractWe study graphene nanoribbons and carbon nanotubes containing ordered defect lines built of octagonal rings. We show that octagonal defect lines are a robust source of state localization at the Fermi energy, in some cases leading to spontaneous magnetization. We also prove that the localization at chains of octagons is a consequence of the zigzag nature of the graphene edges forming the defect lines. © 2013 American Physical Society.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevB.87.165427
Identifiersdoi: 10.1103/PhysRevB.87.165427
issn: 1098-0121
e-issn: 1550-235X
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