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Related papers: Dynamics and Spin-Valley Locking Effects in Monola…

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Monolayer transition metal dichalcogenids (TMDs) feature valley degree of freedom, giant spin-orbit coupling and spin-valley locking. These exotic natures stimulate efforts of exploring the potential applications in conceptual spintronics,…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 Tengfei Yan , Siyuan Yang , Dian Li , Xiaodong Cui

Valleytronics targets the exploitation of the additional degrees of freedom in materials where the energy of the carriers may assume several equal minimum values (valleys) at non-equivalent points of the reciprocal space. In single layers…

Monolayer transition metal dichalcogenides have emerged as prominent candidates to explore the complex interplay between the spin and the valleys degrees of freedom. The strong spin-orbit interaction and broken inversion symmetry within…

Monolayer (1L) transition metal dichalcogenides (TMDs) provide a unique opportunity to control the valley degree of freedom of optically excited charge carriers due to the spin-valley locking effect. Despite extensive studies of the…

The coupled spin and valley degrees of freedom in transition metal dichalcogenides (TMDs) are considered a promising platform for information processing. Here, we use a TMD heterostructure ${\text{MoS}_{2}-\text{MoSe}_{2}}$ to study optical…

Monolayers of transition metal dichalcogenides, namely, molybdenum and tungsten disulfides and diselenides demonstrate unusual optical properties related to the spin-valley locking effect. Particularly, excitation of monolayers by…

Mesoscale and Nanoscale Physics · Physics 2015-11-12 M. M. Glazov , E. L. Ivchenko , G. Wang , T. Amand , X. Marie , B. Urbaszek , B. L. Liu

Transition metal dichalcogenide (TMDC) monolayers are newly discovered semiconductors for a wide range of applications in electronics and optoelectronics. Most studies have focused on binary monolayers that share common properties: direct…

Manipulation of spin and valley degrees of freedom is a key step towards realizing novel quantum technologies, for which atomically thin transition metal dichalcogenides (TMDCs) have been established as promising candidates. In monolayer…

In monolayer group-VI transition metal dichalcogenides (TMDC), charge carriers have spin and valley degrees of freedom, both associated with magnetic moments. On the other hand, the layer degree of freedom in multilayers is associated with…

Mesoscale and Nanoscale Physics · Physics 2013-07-19 Zhirui Gong , Gui-Bin Liu , Hongyi Yu , Di Xiao , Xiaodong Cui , Xiaodong Xu , Wang Yao

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

Quantum transport and spintronics regimes are studied in p- and n-doped atomic layers of hexagonal transition metal dichalcogenides (TMDCs), subject to the interplay between the valley structure and spin-orbit coupling. We find how spin…

Mesoscale and Nanoscale Physics · Physics 2014-12-23 Hector Ochoa , Francesca Finocchiaro , Francisco Guinea , Vladimir I. Fal'ko

The recently-discovered monolayer transition metal dichalcogenides (TMDCs) provide a fertile playground to explore new coupled spin-valley physics. Although robust spin and valley degrees of freedom are inferred from polarized…

Materials Science · Physics 2015-11-11 Luyi Yang , Nikolai A. Sinitsyn , Weibing Chen , Jiangtan Yuan , Jing Zhang , Jun Lou , Scott A. Crooker

In monolayer Transition Metal Dichalcogenides (TMDs) the valence and conduction bands are spin split because of the strong spin-orbit interaction. In tungsten-based TMDs the spin-ordering of the conduction band is such that the so-called…

Electron valleys in transition-metal dichalcogenide monolayers drive novel physics and allow designing multifunctional architectures for applications. We propose to manipulate the electron valleys in these systems for spin/valley filter and…

Mesoscale and Nanoscale Physics · Physics 2021-11-15 Ao Zhang , Kaike Yang , Yun Zhang , Anlian Pan , Mingxing Chen

Strong spin-orbit coupling in transition metal dichalcogenide (TMDC) monolayers results in spin resolvable band structures about the $K$ and $K'$ valleys such that the eigenbasis of a 2D quantum dot (QD) in a TMDC monolayer in zero field is…

Mesoscale and Nanoscale Physics · Physics 2018-04-25 Matthew Brooks , Guido Burkard

Understanding the origin of valence band maxima (VBM) splitting in transition metal dichalcogenides (TMDs) is important because it governs the unique spin and valley physics in monolayer and multilayer TMDs. In this work, we present our…

One of the main characteristics of the new family of two-dimensional crystals of semiconducting transition metal dichalcogenides (TMD) is the strong spin-orbit interaction, which makes them very promising for future applications in…

Mesoscale and Nanoscale Physics · Physics 2015-11-11 R. Roldán , M. P. López-Sancho , E. Cappelluti , J. A. Silva-Guillén , P. Ordejón , F. Guinea

Transition metal dichalcogenides (TMDs) combine interesting optical and spintronic properties in an atomically-thin material, where the light polarization can be used to control the spin and valley degrees-of-freedom for the development of…

Mesoscale and Nanoscale Physics · Physics 2021-03-10 Carmem M. Gilardoni , Freddie Hendriks , Caspar H. van der Wal , Marcos H. D. Guimarães

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

Transition metal dichalcogenides have attracted much attention recently due to their potential applications in spintronics and photonics as a result of the indirect to direct band gap transition and the emergence of the spin-valley coupling…

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