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Two-dimensional (2D) layered transition metal dichalcogenides (TMDs) have been recently proposed as appealing candidate materials for spintronic applications owing to their distinctive atomic crystal structure and exotic physical properties…

The interplay of spin and orbital degrees of freedom offers a versatile playground for the realization of a variety of correlated phases of matter. However, the types of spin-orbital interactions are often limited and challenging to tune.…

Strongly Correlated Electrons · Physics 2026-03-31 Ahmed Khalifa , Rokas Veitas , Francisco Machado , Shubhayu Chatterjee

Monolayer transition metal dichalcogenides (TMD) have immense potential for future spintronic and valleytronic applications due to their two-dimensional nature and long spin/valley lifetimes. We investigate the origin of these long-lived…

Bilayer transition metal dichalcogenides (TMDs) belong to a class of materials with two unique features, the coupled spin-valley-layer degrees of freedom and the crystal structure that is globally centrosymmetric but locally…

Mesoscale and Nanoscale Physics · Physics 2017-03-01 Chao-Xing Liu

Manipulating spin polarization of electrons in nonmagnetic semiconductors by means of electric fields or optical fields is an essential theme of the conceptual nonmagnetic semiconductor-based spintronics. Here we experimentally demonstrate…

Mesoscale and Nanoscale Physics · Physics 2016-03-31 Xie Lu , Xiaodong Cui

Transition metal dichalcogenides have been the primary materials of interest in the field of valleytronics for their potential in information storage, yet the limiting factor has been achieving long valley decoherence times. We explore the…

Mesoscale and Nanoscale Physics · Physics 2018-10-17 Christopher J. Ciccarino , Thomas Christensen , Ravishankar Sundararaman , Prineha Narang

Twisted transition metal dichalcogenides (tTMDs) provide a highly tunable platform to explore the interplay between strong correlation and topology. Among them, the properties involving the charge degree of freedom have been extensively…

Strongly Correlated Electrons · Physics 2025-08-25 Wei-Tao Zhou , Zhao-Yang Dong , Zhao-Long Gu , Jian-Xin Li

We present an ab-initio study of the spin-resolved optical conductivity of two-dimensional (2D) group-VIB transition-metal dichalcogenides (TMDs). We carry out fully-relativistic density-functional-theory calculations combined with…

Mesoscale and Nanoscale Physics · Physics 2014-12-09 Marco Gibertini , Francesco M. D. Pellegrino , Nicola Marzari , Marco Polini

Transition metal dichalcogenides (TMDs) are two-dimensional (2D) materials with remarkable electrical, optical and chemical properties. One promising strategy to tailor TMD properties of TMDs is to create alloys through dopant-induced…

Materials Science · Physics 2023-05-24 Mengqi Fang , Eui-Hyeok Yang

The electronic structure of (group-III) metal-monochalcogenide monolayers exhibits many unusual features. Some, such as the unusually distorted upper valence band dispersion we describe as a 'caldera', are primarily the result of purely…

Materials Science · Physics 2015-11-20 Pengke Li , Ian Appelbaum

The bilayer heterostructures composed of an ultrathin ferromagnetic metal (FM) and a material hosting strong spin-orbit (SO) coupling are principal resource for SO torque and spin-to-charge conversion nonequilibrium effects in spintronics.…

Materials Science · Physics 2020-10-28 Kapildeb Dolui , Branislav K. Nikolic

The realization of multiferroicity in 2D nanomaterials is crucially important for designing advanced nanoelectronic devices such as non-volatile multistate data storage. In this work, the coexistence of ferromagnetism and ferroelectricity…

Materials Science · Physics 2019-11-12 Yanyu Liu , Wei Zhou , Gang Tang , Chao Yang , Xueyun Wang , Jiawang Hong

Valley pseudospin in two-dimensional (2D) transition-metal dichalcogenides (TMDs) allows optical control of spin-valley polarization and intervalley quantum coherence. Defect states in TMDs give rise to new exciton features and…

Monolayer transition-metal dichalcogenides (TMDCs) have recently emerged as possible candidates for valleytronic applications, as the spin and valley pseudospin are directly coupled and stabilized by a large spin splitting. In these…

Van der Waals heterobilayers based on 2D transition metal dichalcogenides have been recently shown to support robust and long-lived valley polarization for potential valleytronic applications. However, the role of the band structure and…

Transition metal dichalcogenides (TMDs) are a class of widely studied 2D layered materials which exist in various polymorphs. The 1T' phase of MoTe2 is of prime importance as it has been reported to show quantum spin hall (QSH) behavior…

Strongly Correlated Electrons · Physics 2021-07-06 Suvodeep Paul , Saheb Karak , Manasi Mandal , Ankita Ram , Sourav Marik , R. P. Singh , Surajit Saha

We explore proximity-induced ferromagnetism on transition metal dichalcogenide (TMD), focusing on molybdenum ditelluride (MoTe$_{2}$) ribbons with zigzag edges, deposited on ferromagnetic europium oxide (EuO). A three-orbital tight-binding…

Mesoscale and Nanoscale Physics · Physics 2019-02-27 Natalia Cortés , O. Ávalos-Ovando , L. Rosales , P. A. Orellana , S. E. Ulloa

Monolayer transition metal dichalcogenides (TMDs) exhibit a remarkably strong Coulomb interaction that manifests in tightly bound excitons. Due to the complex electronic band structure exhibiting several spin-split valleys in the conduction…

Transition metal dichalcogenide (TMD) monolayers present a singular coupling in their spin and valley degrees of freedom. Moreover, by applying an external magnetic field it is possible to break the energy degeneracy between their K and…

Transition metal dichalcogenide (TMD) monolayers attract great attention due to their specific structural, electronic and mechanical properties. The formation of their lateral heterostructures allows a new degree of flexibility in…

Materials Science · Physics 2020-09-29 Sadegh Imani Yengejeh , William Wen , Yun Wang