Optimal charge-to-spin conversion in graphene on transition-metal dichalcogenides
When graphene is placed on a monolayer of semiconducting transition metal
dichalcogenide (TMD) its band structure develops rich spin textures due to proximity spin …
dichalcogenide (TMD) its band structure develops rich spin textures due to proximity spin …
Gate-Tunable Reversible Rashba–Edelstein Effect in a Few-Layer Graphene/2H-TaS2 Heterostructure at Room Temperature
L Li, J Zhang, G Myeong, W Shin, H Lim, B Kim, S Kim… - ACS …, 2020 - ACS Publications
We report the observation of current-induced spin polarization, the Rashba–Edelstein effect
(REE), and its Onsager reciprocal phenomenon, the spin galvanic effect (SGE), in a few …
(REE), and its Onsager reciprocal phenomenon, the spin galvanic effect (SGE), in a few …
Gyrotropic Hall effect in Berry-curved materials
We study the ac Hall response induced by passage of dc transport current in two-and three-
dimensional metals with gyrotropic point groups—the gyrotropic Hall effect—and consider …
dimensional metals with gyrotropic point groups—the gyrotropic Hall effect—and consider …
Spin Hall effect and origins of nonlocal resistance in adatom-decorated graphene
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 …
decorated with adatoms have raised a fierce controversy. We apply numerically exact Kubo …
Spintronics in 2D graphene-based van der Waals heterostructures
DTS Perkins, A Ferreira - arXiv preprint arXiv:2307.06273, 2023 - arxiv.org
Spintronics has become a broad and important research field that intersects with magnetism,
nano-electronics, and materials science. Its overarching aim is to provide a fundamental …
nano-electronics, and materials science. Its overarching aim is to provide a fundamental …
Covariant conservation laws and the spin Hall effect in Dirac-Rashba systems
We present a theoretical analysis of two-dimensional Dirac-Rashba systems in the presence
of disorder and external perturbations. We unveil a set of exact symmetry relations (Ward …
of disorder and external perturbations. We unveil a set of exact symmetry relations (Ward …
Charge, spin and valley Hall effects in disordered graphene
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 …
highly precise quantization values for the Hall conductance in multiples of e 2/h, has been …
Anomalous Hall effect in 2D Dirac materials
M Offidani, A Ferreira - Physical Review Letters, 2018 - APS
We present a unified theory of charge carrier transport in 2D Dirac systems with broken
mirror inversion and time-reversal symmetries (eg, as realized in ferromagnetic graphene) …
mirror inversion and time-reversal symmetries (eg, as realized in ferromagnetic graphene) …
Sensitivity of the anomalous Hall effect to disorder correlations
Both longitudinal and anomalous Hall conductivities are computed in the model of two-
dimensional Dirac fermions with a mass in the presence of weak Gaussian spin …
dimensional Dirac fermions with a mass in the presence of weak Gaussian spin …
Skew-scattering-induced giant antidamping spin-orbit torques: Collinear and out-of-plane Edelstein effects at two-dimensional material/ferromagnet interfaces
F Sousa, G Tatara, A Ferreira - Physical Review Research, 2020 - APS
Heavy metal/ferromagnet interfaces feature emergent spin-orbit effects absent in the bulk
materials. Because of their inherent strong coupling between spin, charge, and orbital …
materials. Because of their inherent strong coupling between spin, charge, and orbital …