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. 2012 Jul 18;2:519. doi: 10.1038/srep00519

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Copyright © 2012, Macmillan Publishers Limited. All rights reserved

This work is licensed under a Creative Commons Attribution-NonCommercial-No Derivative Works 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/

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(a) The charge gap (Δ_c) and (b) spin gap (Δ_s) for finite graphene system with long zigzag edge and fixed N_z = 6 as a function of inverse length (L), i.e., number of unit cells for different hole (n_h) doping. (c) The spin-spin correlation , calculated from the “0” –th atom, located at the middle of the edge of the graphene structure with N_z = 6 (middle panel) with all the edge atoms (j) along the same edge (top panel) and with all the edge atoms (j) along the opposite edge (bottom panel) for different hole (n_h) doping.

Inline graphic — (a) The charge gap (Δ_c) and (b) spin gap (Δ_s) for finite graphene system with long zigzag edge and fixed N_z = 6 as a function of inverse length (L), i.e., number of unit cells for different hole (n_h) doping. (c) The spin-spin correlation , calculated from the “0” –th atom, located at the middle of the edge of the graphene structure with N_z = 6 (middle panel) with all the edge atoms (j) along the same edge (top panel) and with all the edge atoms (j) along the opposite edge (bottom panel) for different hole (n_h) doping.