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Density of state (DOS) of a -wide and -long edge-disordered (gray) and perfect (black) armchair nanoribbon, normalized to the ribbon length.
(a) Representation of the disordered graphene nanoribbon used for calculation of Fig. 1. The inset focuses on a detail of a disordered edge. [(b)–(d)] Representation of the squared wave function of states of energy , 0.26, and . The plot is composed of circles localized at the centers of atoms whose area is proportional to occupation probability of the atom.
(a) Averaged quasi-mobility edge for zigzag, armchair, and mixed edges GNRs with one row of edge disorder as a function of ribbon width. Inset: bandgaps of ideal GNRs. (b) Averaged quasi-mobility edge for zigzag, armchair, and mixed edged GNRs with two rows of edge disorder as a function of ribbon width. Inset: inverse of the averaged quasimobility edge as a function of the ribbon width.
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