Graphene nanoribbons for quantum electronics

H Wang, HS Wang, C Ma, L Chen, C Jiang… - Nature Reviews …, 2021 - nature.com
Graphene nanoribbons (GNRs) are a family of one-dimensional (1D) materials with a
graphitic lattice structure. GNRs possess high mobility and current-carrying capability …

Carbon-based nanostructures as a versatile platform for tunable π-magnetism

DG de Oteyza, T Frederiksen - Journal of Physics: Condensed …, 2022 - iopscience.iop.org
Emergence of π-magnetism in open-shell nanographenes has been theoretically predicted
decades ago but their experimental characterization was elusive due to the strong chemical …

Spin-polarizing electron beam splitter from crossed graphene nanoribbons

S Sanz, N Papior, G Giedke, D Sánchez-Portal… - Physical Review Letters, 2022 - APS
Junctions composed of two crossed graphene nanoribbons (GNRs) have been theoretically
proposed as electron beam splitters where incoming electron waves in one GNR can be …

A twist for tunable electronic and thermal transport properties of nanodevices

A Ostovan, KZ Milowska, CJ García-Cervera - Nanoscale, 2024 - pubs.rsc.org
Twisted graphene-layered materials with nonzero interlayer twist angles (θ) have recently
become appealing, as they exhibit a range of attractive physical properties, which include a …

Efficient Chebyshev polynomial approach to quantum conductance calculations: Application to twisted bilayer graphene

SG De Castro, A Ferreira, DA Bahamon - Physical Review B, 2023 - APS
In recent years, Chebyshev polynomial expansions of tight-binding Green's functions have
been successfully applied to the study of a wide range of spectral and transport properties of …

Computational perspective on recent advances in quantum electronics: from electron quantum optics to nanoelectronic devices and systems

J Weinbub, R Kosik - Journal of Physics: Condensed Matter, 2022 - iopscience.iop.org
Quantum electronics has significantly evolved over the last decades. Where initially the clear
focus was on light–matter interactions, nowadays approaches based on the electron's wave …

Transport signatures of Van Hove singularities in mesoscopic twisted bilayer graphene

A Sanjuan Ciepielewski, J Tworzydło, T Hyart… - Physical Review …, 2022 - APS
Magic-angle twisted bilayer graphene exhibits quasiflat low-energy bands with Van Hove
singularities close to the Fermi level. These singularities play an important role in the exotic …

Twisted bilayer zigzag-graphene nanoribbon junctions with tunable edge states

D Wang, DL Bao, Q Zheng, CT Wang, S Wang… - Nature …, 2023 - nature.com
Stacking two-dimensional layered materials such as graphene and transitional metal
dichalcogenides with nonzero interlayer twist angles has recently become attractive …

Optical spectra of zigzag graphene nanoribbons: a first-principles study

ST Mousavi, HA Badehian, K Gharbavi - Physica Scripta, 2022 - iopscience.iop.org
The electrical and optical properties of zigzag graphene nanoribbons is simulated using
Density Functional Theory (DFT). It is found that n-ZGNRs (n= 18, 22, 26, 30) have metallic …

Fully spin-polarized, valley-polarized and spin-valley-polarized electron beam splitters utilizing zero-line modes in a three-terminal device

XL Lü, JE Yang, H Xie - Chinese Physics B, 2024 - iopscience.iop.org
Topological zero-line modes (ZLMs) with spin and valley degrees of freedom give rise to
spin, valley and spin-valley transport, which support a platform for exploring quantum …