Topologically localized vibronic excitations in second-layer graphene nanoribbons

Z Wang, R Yin, Z Tang, H Du, Y Liang, X Wang… - Physical Review Letters, 2024 - APS
It is of fundamental importance to characterize the intrinsic properties, like the topological
end states, in the on-surface synthesized graphene nanoribbons (GNRs), but the strong …

Topologically localized excitons in single graphene nanoribbons

S Jiang, T Neuman, A Boeglin, F Scheurer, G Schull - Science, 2023 - science.org
Intrinsic optoelectronic properties of atomically precise graphene nanoribbons (GNRs)
remain largely unexplored because of luminescence quenching effects that are due to the …

Topological edge states on time-periodically strained armchair graphene nanoribbons

P Roman-Taboada, GG Naumis - Physical Review B, 2017 - APS
We report the emergence of electronic edge states in time-periodically driven strained
armchair terminated graphene nanoribbons. This is done by considering a short-pulse …

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 …

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 …

Vibrational properties and Raman spectra of different edge graphene nanoribbons, studied by first-principles calculations

T Hu, J Zhou, J Dong - Physics Letters A, 2013 - Elsevier
The vibrational properties and Raman spectra of graphene nanoribbons with six different
edges have been studied by using the first-principles calculations. It is found that edge …

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 …

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 …

Topologically induced confinement of collective modes in multilayer graphene nanocones measured by momentum-resolved STEM-VEELS

FS Hage, QM Ramasse, DM Kepaptsoglou, Ø Prytz… - Physical Review B …, 2013 - APS
In the expanding field of plasmonics, accurate control of the degree of plasmon localization
is of crucial importance for tailoring optical properties at the nanoscale. In this paper, the …

Controlling the emission frequency of graphene nanoribbon emitters based on spatially excited topological boundary states

X Wu, R Wang, N Liu, H Zou, B Shao, L Shao… - Physical Chemistry …, 2020 - pubs.rsc.org
Graphene nanoribbons (GNRs) with atomically precise heterojunction interfaces are
exploited as nanoscale light emitting devices with modulable emission frequencies. By …