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Accurate Graphene-Metal Junction Characterization

Konig, Matthias ; Ruhl, Gunther ; Gahoi, Amit ; Wittmann, Sebastian ; Preis, Tobias ; Batke, Joerg-Martin ; Costina, Ioan ; Lemme, Max C.


A reliable method is proposed for measuring specific contact resistivity (rho(C)) for graphenemetal contacts, which is based on a contact end resistance measurement. We investigate the proposed method with simulations and confirm that the sheet resistance under the metal contact (R-SK) plays an important role, as it influences the potential barrier at the graphene-metal junction. Two different ...


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