Spin transport in graphene/transition metal dichalcogenide heterostructures

JH Garcia, M Vila, AW Cummings… - Chemical Society Reviews, 2018 - pubs.rsc.org
Since its discovery, graphene has been a promising material for spintronics: its low spin–
orbit coupling, negligible hyperfine interaction, and high electron mobility are obvious …

[HTML][HTML] Linear scaling quantum transport methodologies

Z Fan, JH Garcia, AW Cummings, JE Barrios-Vargas… - Physics Reports, 2021 - Elsevier
In recent years, predictive computational modeling has become a cornerstone for the study
of fundamental electronic, optical, and thermal properties in complex forms of condensed …

Model spin-orbit coupling Hamiltonians for graphene systems

D Kochan, S Irmer, J Fabian - Physical Review B, 2017 - APS
We present a detailed theoretical study of effective spin-orbit coupling (SOC) Hamiltonians
for graphene-based systems, covering global effects such as proximity to substrates and …

Orbital Hall insulating phase in transition metal dichalcogenide monolayers

LM Canonico, TP Cysne, A Molina-Sanchez, RB Muniz… - Physical Review B, 2020 - APS
We show that H-phase transition metal dichalcogenide (TMD) monolayers, such as MoS 2
and WSe 2, are orbital Hall insulators. They present very large orbital Hall conductivity …

Spin hall effect and weak antilocalization in graphene/transition metal dichalcogenide heterostructures

JH Garcia, AW Cummings, S Roche - Nano letters, 2017 - ACS Publications
We report on a theoretical study of the spin Hall Effect (SHE) and weak antilocalization
(WAL) in graphene/transition metal dichalcogenide (TMDC) heterostructures, computed …

Orbital Hall effect and topology on a two-dimensional triangular lattice: From bulk to edge

ALR Barbosa, LM Canonico, JH García, TG Rappoport - Physical Review B, 2024 - APS
We investigate a generalized multiorbital tight-binding model on a triangular lattice, a system
prevalent in a wide range of two-dimensional materials and particularly relevant for …

Spin Hall effect and origins of nonlocal resistance in adatom-decorated graphene

D Van Tuan, JM Marmolejo-Tejada, X Waintal… - Physical review …, 2016 - APS
Recent experiments reporting an unexpectedly large spin Hall effect (SHE) in graphene
decorated with adatoms have raised a fierce controversy. We apply numerically exact Kubo …

Two-dimensional orbital Hall insulators

LM Canonico, TP Cysne, TG Rappoport, RB Muniz - Physical Review B, 2020 - APS
Detailed analyses of the spin and orbital conductivities are performed for different
topological phases of certain classes of two-dimensional multiorbital materials. Our …

Spin-dependent polarization and quantum Hall conductivity in decorated graphene: Influence of locally induced spin–orbit-couplings and impurities

A Belayadi, P Vasilopoulos - Nanotechnology, 2023 - iopscience.iop.org
We study spin transport through graphene-like substrates in the presence of one or several,
locally induced spin–orbit coupling (SOC) terms resulting from periodically placed strips, on …

Charge, spin and valley Hall effects in disordered graphene

A Cresti, BK Nikolić, JH García, S Roche - La Rivista del Nuovo Cimento, 2016 - Springer
The discovery of the integer quantum Hall effect in the early eighties of the last century, with
highly precise quantization values for the Hall conductance in multiples of e 2/h, has been …