Theory of defect dynamics in graphene: defect groupings and their stability |
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Authors: | L L Bonilla A Carpio |
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Institution: | (1) G. Mill?n Institute, Fluid Dynamics, Nanoscience and Industrial Mathematics, Universidad Carlos III de Madrid, Avda. Universidad 30, 28911 Legan?s, Spain;(2) Departmento de Matem?tica Aplicada, Universidad Complutense de Madrid, Madrid, 28040, Spain |
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Abstract: | We use our theory of periodized discrete elasticity to characterize defects in graphene as the cores of dislocations or groups
of dislocations. Earlier numerical implementations of the theory predicted some of the simpler defect groupings observed in
subsequent Transmission Electron Microscope experiments. Here, we derive the more complicated defect groupings of three or
four defect pairs from our theory, show that they correspond to the cores of two pairs of dislocation dipoles and ascertain
their stability. |
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Keywords: | |
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