Topological phases in graphene nanoribbons tuned by electric fields

F Zhao, T Cao, SG Louie - Physical review letters, 2021 - APS
Graphene nanoribbons (GNRs) possess distinct symmetry-protected topological phases. We
show, through first-principles calculations, that by applying an experimentally accessible …

Topological phases in graphene nanoribbons: junction states, spin centers, and quantum spin chains

T Cao, F Zhao, SG Louie - Physical review letters, 2017 - APS
We show that semiconducting graphene nanoribbons (GNRs) of different width, edge, and
end termination (synthesizable from molecular precursors with atomic precision) belong to …

Rationally designed topological quantum dots in bottom-up graphene nanoribbons

DJ Rizzo, J Jiang, D Joshi, G Veber, C Bronner… - ACS …, 2021 - ACS Publications
Bottom-up graphene nanoribbons (GNRs) have recently been shown to host nontrivial
topological phases. Here, we report the fabrication and characterization of deterministic …

Topological band engineering of graphene nanoribbons

DJ Rizzo, G Veber, T Cao, C Bronner, T Chen, F Zhao… - Nature, 2018 - nature.com
Topological insulators are an emerging class of materials that host highly robust in-gap
surface or interface states while maintaining an insulating bulk,. Most advances in this field …

Topological phase transition in chiral graphene nanoribbons: from edge bands to end states

J Li, S Sanz, N Merino-Díez, M Vilas-Varela… - Nature …, 2021 - nature.com
Precise control over the size and shape of graphene nanostructures allows engineering spin-
polarized edge and topological states, representing a novel source of non-conventional π …

Magnetism of topological boundary states induced by boron substitution in graphene nanoribbons

N Friedrich, P Brandimarte, J Li, S Saito… - Physical Review Letters, 2020 - APS
Graphene nanoribbons (GNRs), low-dimensional platforms for carbon-based electronics,
show the promising perspective to also incorporate spin polarization in their conjugated …

Topological Phases in Cove-Edged and Chevron Graphene Nanoribbons: Geometric Structures, 2 Invariants, and Junction States

YL Lee, F Zhao, T Cao, J Ihm, SG Louie - Nano letters, 2018 - ACS Publications
Graphene nanoribbons (GNRs) have recently been shown by Cao, Zhao, and Louie [Cao,
T.; Zhao, F.; Louie, SG Phys. Rev. Lett. 2017, 119, 076401] to possess distinct topological …

Correlated topological states in graphene nanoribbon heterostructures

JP Joost, AP Jauho, M Bonitz - Nano Letters, 2019 - ACS Publications
Finite graphene nanoribbon (GNR) heterostructures host intriguing topological in-gap states
(Rizzo, DJ; et al. Nature 2018, 560, 204). These states may be localized either at the bulk …

Topologically protected edge and confined states in finite armchair graphene nanoribbons and their junctions

MP López-Sancho, MC Muñoz - Physical Review B, 2021 - APS
Topologically protected edge and junction states, previously predicted, have recently been
observed in armchair graphene nanoribbon (AGNR) heterojunctions. Here, via tight-binding …

Evolution of the topological energy band in graphene nanoribbons

Q Sun, Y Yan, X Yao, K Müllen, A Narita… - The journal of …, 2021 - ACS Publications
Topological theory has been recently applied in graphene nanoribbons (GNRs) and predicts
the existence of topological quantum states in junctions connecting GNRs of different …