English
Related papers

Related papers: Spin-valley locked instabilities in moire transiti…

200 papers

We study the conduction band spin splitting that arises in transition metal dichalcogenide (TMD) semiconductor monolayers such as MoS$_2$, MoSe$_2$, WS$_2$ and WSe$_2$ due to the combination of spin-orbit coupling and lack of inversion…

Materials Science · Physics 2014-01-01 K. Kośmider , J. W. González , J. Fernández-Rossier

Recently, transition metal dichalcogenides (TMDs) have been extensively studied for their efficient spin-orbit torque generation in TMD/ferromagnetic bilayers, owing to their large spin-orbit coupling, variety in crystal symmetries, and…

Mesoscale and Nanoscale Physics · Physics 2023-11-21 Jan Hidding , Klaiv Mërtiri , Fauzia Mujid , Ce Liang , Jiwoong Park , Marcos H. D. Guimarães

Transition metal dichalcogenide (TMD) twisted homobilayers have been established as an ideal platform for studying strong correlation phenomena, as exemplified by the recent discovery of fractional Chern insulator (FCI) states in twisted…

Moir\'e superlattices formed by semiconducting transition metal dichalcogenides (TMDs) provide a highly tunable platform for investigating strongly correlated and topological quantum phases. As a prototypical example, twisted bilayer MoTe2…

Motivated by recent experimental studies that have found signatures of a correlated insulator phase and tuning superconductivity in twisted bilayer graphene, we study the temperature-dependent conductivity, the spin correlation and the…

Strongly Correlated Electrons · Physics 2020-04-22 Wanying Chen , Yonghuan Chu , Tongyun Huang , Tianxing Ma

Monolayer transition metal dichalcogenides $MX_2$ ($M$ = Mo,W and $X$ = Te, Se, S) in 1T' structure were predicted to be quantum spin Hall insulators based on first-principles calculations, which were quickly confirmed by multiple…

Materials Science · Physics 2021-08-04 Mengli Hu , Guofu Ma , Chun Yu Wan , Junwei Liu

Quantum spin-liquid van der Waals magnets such as TaS$_2$, TaSe$_2$, and RuCl$_3$ provide a natural platform to explore new exotic phenomena associated with spinon physics, whose properties can be controlled by exchange proximity with…

Strongly Correlated Electrons · Physics 2021-09-28 Guangze Chen , J. L. Lado

Monolayer transition metal dichalcogenides (TMDs) offer new opportunities for realizing quantum dots (QDs) in the ultimate two-dimensional (2D) limit. Given the rich control possibilities of electron valley pseudospin discovered in the…

Mesoscale and Nanoscale Physics · Physics 2014-10-24 Gui-Bin Liu , Hongliang Pang , Yugui Yao , Wang Yao

The discovery of Mott insulators and superconductivity in twisted bilayer graphene has ignited intensive research into strong correlation effects in other stacking geometries. Bernal-stacked bilayer graphene (BBG), when subjected to a…

Superconductivity · Physics 2025-01-23 Alex Friedlan , Heqiu Li , Hae-Young Kee

Twisted graphene bilayers (TGBs) have low-energy van Hove singularities (VHSs) that are strongly localized around AA-stacked regions of the moire pattern. Therefore, they exhibit novel many-body electronic states, such as Mott-like…

Mesoscale and Nanoscale Physics · Physics 2019-05-15 Yi-Wen Liu , Jia-Bin Qiao , Chao Yan , Yu Zhang , Si-Yu Li , Lin He

Van Hove singularities (VHSs) amplify electronic correlations, providing a crucial platform for discovering novel quantum phase transitions. Here, we show that VHSs in multi-orbital systems can stabilize a variety of competing $\bm{Q}=0$…

Strongly Correlated Electrons · Physics 2026-02-03 Chen Lu , Lun-Hui Hu

We study the intravalley spin-polarized superconductivity in rhombohedral tetralayer graphene, which has been discovered experimentally in Han $et$ $al$ arXiv:2408.15233. We construct a minimal model for the intravalley spin-polarized…

Superconductivity · Physics 2025-05-20 Yang-Zhi Chou , Jihang Zhu , Sankar Das Sarma

Van der Waals heterostructures provide a rich platform for emergent physics due to their tunable hybridization of electronic orbital- and spin-degrees of freedom. Here, we show that a heterostructure formed by twisted bilayer graphene…

Mesoscale and Nanoscale Physics · Physics 2021-02-10 Tobias M. R. Wolf , Oded Zilberberg , Gianni Blatter , Jose L. Lado

The discovery of interaction-driven insulating and superconducting phases in moir\'e van der Waals heterostructures has sparked considerable interest in understanding the novel correlated physics of these systems. While a significant number…

Lattice reconstruction in twisted transition-metal dichalcogenide (TMD) bilayers gives rise to piezo- and ferroelectric moir\'e potentials for electrons and holes, as well as a modulation of the hybridisation across the bilayer. Here, we…

Mesoscale and Nanoscale Physics · Physics 2021-09-30 S. J. Magorrian , V. V. Enaldiev , V. Zólyomi , Fábio Ferreira , Vladimir I. Fal'ko , David A. Ruiz-Tijerina

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 advantages for transporting spin information over long…

Mesoscale and Nanoscale Physics · Physics 2018-12-04 Jose H. Garcia , Marc Vila , Aron W. Cummings , Stephan Roche

The spin splitting driven by spin-orbit coupling in monolayer (ML) transition metal dichalcogenides (TMDCs) family has been widely studied only for the 1H-phase structure, while it is not profound for the 1T-phase structure due to the…

Strongly Correlated Electrons · Physics 2020-04-16 Moh. Adhib Ulil Absor , Iman Santoso , Naoya Yamaguchi , Fumiyuki Ishii

Twisted Van der Waals systems offer the unprecedented possibility to tune different states of correlated quantum matter with an external non-invasive electrostatic doping. The nature of the superconducting order presents a recurring open…

Superconductivity · Physics 2022-06-15 Niklas Witt , José M. Pizarro , Jan Berges , Takuya Nomoto , Ryotaro Arita , Tim O. Wehling

The relative strength of different proximity spin-orbit couplings in graphene on transition metal dichalcogenides (TMDC) can be tuned via the metal composition in the TMDC layer. While Gr/MoSe$_2$, has a normal gap, proximity to WSe$_2$…

Mesoscale and Nanoscale Physics · Physics 2023-07-31 Zahra Khatibi , Stephen R. Power

We investigate the spin relaxation and Kondo resistivity caused by magnetic impurities in doped transition metal dichalcogenides monolayers. We show that momentum and spin relaxation times due to the exchange interaction by magnetic…

Mesoscale and Nanoscale Physics · Physics 2016-11-01 Habib Rostami , Ali G. Moghaddam , Reza Asgari