The remarkable properties of graphene nanoribbons are promising for use in quantum technologies. To create quantum devices, however, individual nanoribbons must be contacted. This crucial step has now been demonstrated using single-walled carbon nanotubes as electrodes.
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Cai, J. et al. Atomically precise bottom-up fabrication of graphene nanoribbons. Nature 466, 470–473 (2010). This paper reports the synthesis of atomically precise GNRs by surface-assisted, bottom-up molecular assembly.
Zhang, J. Tunable quantum dots from atomically precise graphene nanoribbons using a multi-gate architecture. Adv. Electron. Mater. 9, 2201204 (2022). This paper reports the quantum-dot behaviour of atomically precise GNR-based transistors.
Zhang, J., Calame, M. & Perrin, M. L. Contacting atomically precise graphene nanoribbons for next-generation quantum electronics. Matter 5, 2497–2499 (2022). An opinion piece that proposes using one-dimensional electrodes for contacting individual GNRs.
Gröning, O. et al. Engineering of robust topological quantum phases in graphene nanoribbons. Nature 560, 209–213 (2018). This paper reports on topological boundary states at junctions of armchair edges in GNRs.
Trauzettel, B. et al. Spin qubits in graphene quantum dots. Nat. Phys. 3, 192–196 (2007). This paper proposes how to form spin qubits in graphene quantum dots.
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This is a summary of: Zhang, J. et al. Contacting individual graphene nanoribbons using carbon nanotube electrodes. Nat. Electron. https://doi.org/10.1038/s41928-023-00991-3 (2023).
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Quantum transport through a single atomically precise graphene nanoribbon. Nat Electron 6, 553–554 (2023). https://doi.org/10.1038/s41928-023-00992-2