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 …

Manipulation of spin polarization in boron-substituted graphene nanoribbons

K Sun, OJ Silveira, S Saito, K Sagisaka, S Yamaguchi… - ACS …, 2022 - ACS Publications
The design of magnetic topological states due to spin polarization in an extended π carbon
system has great potential in spintronics application. Although magnetic zigzag edges in …

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 …

Probing the magnetism of topological end states in 5-armchair graphene nanoribbons

J Lawrence, P Brandimarte, A Berdonces-Layunta… - ACS …, 2020 - ACS Publications
We extensively characterize the electronic structure of ultranarrow graphene nanoribbons
(GNRs) with armchair edges and zigzag termini that have five carbon atoms across their …

Edge state engineering of graphene nanoribbons

X Su, Z Xue, G Li, P Yu - Nano letters, 2018 - ACS Publications
Zigzag edges of graphene nanoribbons, which are predicted to host spin-polarized
electronic states, hold great promise for future spintronic device applications. The ability to …

Carbon tetragons as definitive spin switches in narrow zigzag graphene nanoribbons

P Cui, Q Zhang, H Zhu, X Li, W Wang, Q Li, C Zeng… - Physical Review Letters, 2016 - APS
Precise spatial control of the spin propagation channels is of fundamental and practical
importance in future graphene-based spintronic devices. Here we use first-principles …

Addressing electron spins embedded in metallic graphene nanoribbons

N Friedrich, RE Menchón, I Pozo, J Hieulle… - ACS …, 2022 - ACS Publications
Spin-hosting graphene nanostructures are promising metal-free systems for elementary
quantum spintronic devices. Conventionally, spins are protected from quenching by …

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 …

Building half-metallicity in graphene nanoribbons by direct control over edge states occupation

XH Zheng, XL Wang, TA Abtew… - The Journal of Physical …, 2010 - ACS Publications
Electronic structures of zigzag edged graphene nanoribbons (ZGNRs) doped with boron (B)
or nitrogen (N) atoms are investigated by spin polarized first-principles calculations. We find …

[HTML][HTML] Giant edge state splitting at atomically precise graphene zigzag edges

S Wang, L Talirz, CA Pignedoli, X Feng… - Nature …, 2016 - nature.com
Zigzag edges of graphene nanostructures host localized electronic states that are predicted
to be spin-polarized. However, these edge states are highly susceptible to edge roughness …