Figure 3.

(Color online) Electronic band structures of defective ZGNRs. (a) for the pristine, (b) for the symmetric SW defects and (c) for the asymmetric SW defects. The solid red (dotted blue) line denotes the α-spin (β-spin) bands. The dashed black line indicates the CNP, and solid circles indicate defect states.

Zeng et al. Nanoscale Research Letters 2011 6:254   doi:10.1186/1556-276X-6-254
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