218 citations · 1.1k across the 23 of their papers we have counts for
23 papers
Spin-orbit torque emerging from orbital textures in centrosymmetric materials
Luis M. Canonico, Jose H. García, Stephan Roche
We unveil a hitherto concealed spin-orbit torque mechanism driven by orbital degrees of freedom in centrosymmetric two-dimensional transition metal dichalcogenides (focusing on PtS…
Electrical Control of Spin-polarized Topological Currents in Monolayer WTe
Jose H. Garcia, Jinxuan You, Monica García-Mota +6
We evidence the possibility for coherent electrical manipulation of the spin orientation of topologically protected edge states in a low-symmetry quantum spin Hall insulator. By us…
Giant Valley-Polarized Spin Splittings in Magnetized Janus Pt Dichalcogenides
Shahid Sattar, J. Andreas Larsson, C. M. Canali +2
We reveal giant proximity-induced magnetism and valley-polarization effects in Janus Pt dichalcogenides (such as SPtSe), when bound to the Europium oxide (EuO) substrate. Using fir…
Have Mysterious Topological Valley Currents Been Observed in Graphene Superlattices?
Stephan Roche, Stephen R. Power, Branislav K. Nikolić +2
We provide a critical discussion concerning the claim of topological valley currents, driven by a global Berry curvature and valley Hall effect proposed in recent literature. After…
Magnetism, symmetry and spin transport in van der Waals layered systems
Hidekazu Kurebayashi, Jose H. Garcia, Safe Khan +2
The discovery of an ever increasing family of atomic layered magnetic materials, together with the already established vast catalogue of strong spin-orbit coupling (SOC) and topolo…
Manipulation of Spin Transport in Graphene/Transition Metal Dichalcogenide Heterobilayers upon Twisting
Armando Pezo, Zeila Zanolli, Nils Wittemeier +4
Proximity effects are one of the pillars of exotic phenomena and technological applications of two dimensional materials. However, the interactions nature depends strongly on the m…
Janus Monolayers of Magnetic Transition Metal Dichalcogenides as an All-in-One Platform for Spin-Orbit Torque
Idris Smaili, Slimane Laref, Jose H. Garcia +3
We theoretically predict that vanadium-based Janus dichalcogenide monolayers constitute an ideal platform for spin-orbit-torque memories. Using first principles calculations, we de…
Low-symmetry topological materials for large charge-to-spin interconversion: The case of transition metal dichalcogenide monolayers
Marc Vila, Chuang-Han Hsu, Jose H. Garcia +5
The spin polarization induced by the spin Hall effect (SHE) in thin films typically points out of the plane. This is rooted on the specific symmetries of traditionally studied syst…
Nonlocal Spin Dynamics in the Crossover from Diffusive to Ballistic Transport
Marc Vila, Jose H. Garcia, Aron W. Cummings +4
Improved fabrication techniques have enabled the possibility of ballistic transport and unprecedented spin manipulation in ultraclean graphene devices. Spin transport in graphene i…
Valley Hall Effect and Non-Local Resistance in Locally Gapped Graphene
Thomas Aktor, Jose H. Garcia, Stephan Roche +2
We report on the emergence of bulk, valley-polarized currents in graphene-based devices, driven by spatially varying regions of broken sublattice symmetry, and revealed by non-loca…
Charge and Spin Transport Anisotropy in Nanopatterned Graphene
Soren Schou Gregersen, Jose H. Garcia, Antti-Pekka Jauho +2
Anisotropic electronic transport is a possible route towards nanoscale circuitry design, particularly in two-dimensional materials. Proposals to introduce such a feature in pattern…
Linear Scaling Quantum Transport Methodologies
Zheyong Fan, Jose Hugo Garcia, Aron W. Cummings +5
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 m…
Shubnikov-de Haas oscillations in the anomalous Hall conductivity of Chern insulators
Luis M. Canonico, José H. García, Tatiana G. Rappoport +2
The Haldane model on a honeycomb lattice is a paradigmatic example of a system featuring quantized Hall conductivity in the absence of an external magnetic field, that is, a quantu…
Spin transport in graphene/transition metal dichalcogenide heterostructures
Jose H. Garcia, Marc Vila, Aron W. Cummings +1
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 a…
Large spin relaxation anisotropy and valley-Zeeman spin-orbit coupling in WSe2/Gr/hBN heterostructures
Simon Zihlmann, Aron W. Cummings, Jose H. Garcia +5
Large spin-orbital proximity effects have been predicted in graphene interfaced with a transition metal dichalcogenide layer. Whereas clear evidence for an enhanced spin-orbit coup…
Quantum Hall Effect in Graphene with Interface-Induced Spin-Orbit Coupling
Tarik P. Cysne, Jose H. Garcia, Alexandre R. Rocha +1
We consider an effective model for graphene with interface-induced spin-orbit coupling and calculate the quantum Hall effect in the low-energy limit. We perform a systematic analys…
Valley-Polarized Quantum Transport Generated by Gauge Fields in Graphene
Mikkel Settnes, José Hugo García, Stephan Roche
We report on the possibility to simultaneously generate in graphene a {\it bulk valley-polarized dissipative transport} and a {\it quantum valley Hall effect} by combining strain-i…
Origin of nonlocal resistance in multiterminal graphene on hexagonal-boron-nitride: Fermi surface edge currents rather than Fermi sea topological valley currents
J. M. Marmolejo-Tejada, J. H. García, M. Petrović +6
The recent observation [R. V. Gorbachev et al., Science {\bf 346}, 448 (2014)] of nonlocal resistance near the Dirac point (DP) of multiterminal graphene on aligned…
Giant Spin Lifetime Anisotropy in Graphene Induced by Proximity Effects
Aron W. Cummings, Jose H. García, Jaroslav Fabian +1
We report on fundamental aspects of spin dynamics in graphene interfaced with transition metal dichalcogenides (TMDCs). By using realistic models derived from first principles we c…
Charge, Spin and Valley Hall Effects in Disordered Graphene
Alessandro Cresti, Branislav K. Nikolić, Jose Hugo García +1
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 …
Kubo-Bastin approach for the spin Hall conductivity of decorated graphene
Jose H. Garcia, Tatiana G. Rappoport
Theoretical predictions and recent experimental results suggest one can engineer spin Hall effect in graphene by enhancing the spin-orbit coupling in the vicinity of an impurity. W…
Cloaking Resonant Scatterers and Tuning Electron Flow in Graphene
Diego Oliver, Jose H. Garcia, Tatiana G. Rappoport +2
We consider resonant scatterers with large scattering cross-sections in graphene that are produced by a gated disk or a vacancy, and show that a gated ring can be engineered to pro…
Adatoms and Anderson localization in graphene
Jose H. Garcia, Bruno Uchoa, Lucian Covaci +1
We address the nature of the disordered state that results from the adsorption of adatoms in graphene. For adatoms that sit at the center of the honeycomb plaquette, as in the case…