Quantum Transport in Graphene Nanonetworks
(2012) APS March Meeting — Location: Boston, USA. (27.February.2012)
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- Abstract
- Focusing on systems that can be realized experimentally, both in-plane conductance of inter-connected graphene nanoribbons and tunneling conductance in out-of-plane nanoribbon intersections are investigated. The quantum transport properties of such networks are computed using first-principles calculations based on the density functional theory formalism. The electronic transport through in-plane nanoribbon cross-points is found to be significantly affected by scattering at the intersections with the exception of all zigzag nanoribbon terminals arranged at a 60 degree angle. This result demonstrates the possibility of designing graphene nanoribbon networks capable of guiding electron along desired and predetermined paths. In addition, the electron transport properties of out-of-plane nanoribbons cross-points with realistic size are described within a simple tight-binding approach. The stacking angle is predicted to play a key role on the electronic transmission through nanoribbon networks.
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Botello Mendez, A. R., Cruz-Silva, E., Romo-Herrera, J. M., Lopez-Urias, F., Terrones, M., Sumpter, B. G., Charlier, J.-C., & Meunier, V. (2012). Quantum Transport in Graphene Nanonetworks. APS March Meeting, Boston, USA. https://hdl.handle.net/2078.5/247090