Disentangling orbital and valley Hall effects in bilayers of transition metal dichalcogenides

TP Cysne, M Costa, LM Canonico, MB Nardelli… - Physical review …, 2021 - APS
It has been recently shown that monolayers of transition metal dichalcogenides (TMDs) in
the 2H structural phase exhibit relatively large orbital Hall conductivity plateaus within their …

Connecting higher-order topology with the orbital hall effect in monolayers of transition metal dichalcogenides

M Costa, B Focassio, LM Canonico, TP Cysne… - Physical Review Letters, 2023 - APS
Monolayers of transition metal dichalcogenides (TMDs) in the 2 H structural phase have
been recently classified as higher-order topological insulators (HOTIs), protected by C 3 …

Orbital Hall effect in bilayer transition metal dichalcogenides: From the intra-atomic approximation to the Bloch states orbital magnetic moment approach

TP Cysne, S Bhowal, G Vignale, TG Rappoport - Physical Review B, 2022 - APS
Using an effective Dirac model, we study the orbital Hall effect (OHE) in bilayers of transition
metal dichalcogenides with 2H stacking (2H-TMD). We use first-order perturbation theory in …

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 …

Orbital magnetoelectric effect in nanoribbons of transition metal dichalcogenides

TP Cysne, FSM Guimarães, LM Canonico, M Costa… - Physical Review B, 2023 - APS
The orbital magnetoelectric effect (OME) generically refers to the appearance of an orbital
magnetization induced by an applied electric field. Here, we show that nanoribbons of …

Disorder effects of vacancies on the electronic transport properties of realistic topological insulator nanoribbons: The case of bismuthene

A Pezo, B Focassio, GR Schleder, M Costa… - Physical Review …, 2021 - APS
The robustness of topological materials against disorder and defects is presumed but has
not been demonstrated explicitly in realistic systems. In this work, we use state-of-the-art …

Tunable spin-polarized edge currents in proximitized transition metal dichalcogenides

N Cortés, O Ávalos-Ovando, L Rosales, PA Orellana… - Physical Review Letters, 2019 - APS
We explore proximity-induced ferromagnetism on transition metal dichalcogenides (TMDs),
focusing on molybdenum ditelluride ribbons with zigzag edges, deposited on ferromagnetic …

Nanoribbon edges of transition-metal dichalcogenides: Stability and electronic properties

D Davelou, G Kopidakis, E Kaxiras, IN Remediakis - Physical Review B, 2017 - APS
Nanoribbons of molybdenum disulfide (MoS 2) are interesting one-dimensional (1D)
nanostructures with intriguing electronic properties, consisting of a semiconducting bulk …

Efficient method for computing the electronic transport properties of a multiterminal system

LRF Lima, A Dusko, C Lewenkopf - Physical Review B, 2018 - APS
We present a multiprobe recursive Green's function method to compute the transport
properties of mesoscopic systems using the Landauer-Büttiker approach. By introducing an …

Strain effects on the spin polarization of edge currents in MoS2 zig-zag nanoribbons

S You, H Kim, N Kim - Physica E: Low-dimensional Systems and …, 2022 - Elsevier
The strain effects on the edge-state transport of the zigzag monolayer for a molybdenum
disulfide nanoribbon are investigated numerically using a six-band tight-binding model with …