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The geometry of the device investigated in this work. A graphene flake is contacted to two finite Au electrodes of finite cross section.
Total DOS for graphene, (a) corrugated structure and (b) perfectly flat structure.
Total transmission coefficient for the graphene devices investigated, (a) corrugated structure, and (b) perfectly flat structure.
Current-voltage characteristic for the two devices investigated. In the inset we zoom into the bias region between and .
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