2024
DOI: 10.1021/acs.nanolett.3c04703
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Atomically Thin Current Pathways in Graphene through Kekulé-O Engineering

Santiago Galván y García,
Yonatan Betancur-Ocampo,
Francisco Sánchez-Ochoa
et al.

Abstract: We demonstrate that the current flow in graphene can be guided on atomically thin current pathways by the engineering of Kekule-O distortions. A grain boundary in these distortions separates the system into topologically distinct regions and induces a ballistic domain-wall state. The state is independent of the orientation of the grain boundary with respect to the graphene sublattice and permits guiding the current on arbitrary paths. As the state is gapped, the current flow can be switched by electrostatic ga… Show more

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