https://flatland-pi.vercel.app/materials/ws2.html The newest items tagged WS₂ in the Flatland news feed. en Mon, 05 Oct 2026 08:10:53 GMT https://advanced.onlinelibrary.wiley.com/doi/10.1002/adma.74437?af=R https://advanced.onlinelibrary.wiley.com/doi/10.1002/adma.74437?af=R Thu, 01 Oct 2026 12:28:58 GMT Advanced Materials Experiment hBN WS₂ https://arxiv.org/abs/2610.00987v1 https://arxiv.org/abs/2610.00987v1 Thu, 01 Oct 2026 03:22:27 GMT arXiv: One-dimensional transition metal dichalcogenides (TMD) nanoribbons (NRs) offer a promising route to aggressive channel-width scaling in nanoscale transistors. However, controlling their layer number, a key determinant of device performance, has remained elusive. Here, we demonstrate a chemical vapor deposition (CVD)… Experiment Oxide nanosheets MoS₂ WS₂ https://arxiv.org/abs/2609.39878v1 https://arxiv.org/abs/2609.39878v1 Wed, 30 Sep 2026 14:53:30 GMT arXiv: Two-dimensional materials are promising candidates for electronic applications beyond the operating limits of conventional semiconductor technologies. Within this class, transition-metal dichalcogenides offer attractive properties for field-effect transistor operation, with tungsten disulphide (WS₂) emerging as a… Theory Engineering WS₂ https://arxiv.org/abs/2609.32392 https://arxiv.org/abs/2609.32392 Wed, 30 Sep 2026 04:00:00 GMT arXiv: Two neighboring lateral interfaces provide a spatial degree of freedom for controlling one-dimensional charge-transfer excitons within a single semiconductor monolayer. We investigate a type-II WS2-MoS2-WS2 double heterojunction using an effective-mass two-particle Hamiltonian with a screened Coulomb interaction. For… Theory MoS₂ WS₂ https://advanced.onlinelibrary.wiley.com/doi/10.1002/adfm.78765?af=R https://advanced.onlinelibrary.wiley.com/doi/10.1002/adfm.78765?af=R Tue, 29 Sep 2026 15:49:13 GMT Advanced Functional Materials Experiment WS₂ https://arxiv.org/abs/2609.34104 https://arxiv.org/abs/2609.34104 Tue, 29 Sep 2026 04:00:00 GMT arXiv: Spectral fingerprints in optical absorption and emission have typically been used as a signature of exciton localization in twisted moiré bilayers. However, the mechanism by which excitons become confined to specific stacking sites and their associated optical signature is experimentally unresolved. Here, we directly… Theory WSe₂ WS₂ https://arxiv.org/abs/2609.34104v1 https://arxiv.org/abs/2609.34104v1 Mon, 28 Sep 2026 01:43:35 GMT arXiv: Spectral fingerprints in optical absorption and emission have typically been used as a signature of exciton localization in twisted moiré bilayers. However, the mechanism by which excitons become confined to specific stacking sites and their associated optical signature is experimentally unresolved. Here, we directly… Theory WSe₂ WS₂ https://arxiv.org/abs/2609.22710 https://arxiv.org/abs/2609.22710 Tue, 22 Sep 2026 04:00:00 GMT arXiv: Excitons in atomically thin semiconductors are almost always probed through their optical signatures, because the short lifetimes of these transient quasiparticles are generally assumed to preclude electrical detection. Here we show that photoexcited excitons in monolayer tungsten disulfide produce a large, optically… Theory WS₂ https://arxiv.org/abs/2602.09093 https://arxiv.org/abs/2602.09093 Tue, 22 Sep 2026 04:00:00 GMT arXiv: Computational discovery of magnetic materials remains challenging because magnetism arises from the competition between kinetic energy and Coulomb interaction that is often beyond the reach of standard electronic-structure methods. Here we tackle this challenge by directly solving the many-electron Schrödinger equation… Theory WSe₂ WS₂ https://arxiv.org/abs/2609.25305v1 https://arxiv.org/abs/2609.25305v1 Mon, 21 Sep 2026 18:54:32 GMT arXiv: We investigate the proximity-induced spin-orbit coupling (SOC) in graphene on transition-metal dichalcogenide (TMD) heterostructures using a tight-binding approach. The tight-binding parameters of an effective 4-band model describing the low-energy physics of the graphene layer are extracted as a function of twist… Theory Graphene MoSe₂ MoS₂ WSe₂ WS₂ https://arxiv.org/abs/2609.24311v1 https://arxiv.org/abs/2609.24311v1 Mon, 21 Sep 2026 09:11:03 GMT arXiv: We theoretically investigate the thickness-dependent evolution of Majorana modes in C₂ₕ-symmetric topological superconductor films (such as the recently discovered 2M-WS₂) proximity coupled with magnetic insulators. For sufficiently thick films, two Majorana bound states coexist as end modes at the surface and… Theory WS₂ https://arxiv.org/abs/2609.22580v1 https://arxiv.org/abs/2609.22580v1 Fri, 18 Sep 2026 21:04:02 GMT arXiv: Transition metal dichalcogenide (TMD) monolayers offer an innovative platform for encoding and manipulating information through the valley degree of freedom. While unique valley-related physical phenomena have been reported so far, practical applications still require advanced control over the valley polarization… Theory WS₂ https://arxiv.org/abs/2512.16651 https://arxiv.org/abs/2512.16651 Wed, 16 Sep 2026 04:00:00 GMT arXiv: Monolayer transition-metal dichalcogenides (TMDs) provide a platform for realizing Wigner crystals and enable their detection via exciton spectroscopy. We develop a microscopic theoretical model for excitons interacting with the localized electrons of the Wigner crystal, including their vibrational motion. In addition… Theory WSe₂ WS₂ https://www.nature.com/articles/s41467-026-77227-3 https://www.nature.com/articles/s41467-026-77227-3 Wed, 16 Sep 2026 00:00:00 GMT Nature: Two-dimensional materials Theory WS₂ https://arxiv.org/abs/2609.17289v1 https://arxiv.org/abs/2609.17289v1 Tue, 15 Sep 2026 15:04:11 GMT arXiv: Two-dimensional tungsten-based transition metal dichalcogenides exhibit a rich emission spectrum with distinct lines of exciton and biexciton states, neutral and charged, which are typically considered as independent entities. Here, we present a study of the emission kinetics of a WS₂ monolayer, demonstrating that… Theory WS₂ https://arxiv.org/abs/2512.13350 https://arxiv.org/abs/2512.13350 Fri, 11 Sep 2026 04:00:00 GMT arXiv: We explore theoretically the optical response of two-dimensional (2D) materials patterned at the nanoscale into either arrays of ribbons along a planar surface or spherical particles. Fourier-Floquet decomposition of the electromagnetic fields is used in order to obtain the reflectance, transmittance and absorbance of… Theory Graphene hBN WS₂ https://iopscience.iop.org/article/10.1088/2053-1583/ae9aac https://iopscience.iop.org/article/10.1088/2053-1583/ae9aac Mon, 07 Sep 2026 23:00:00 GMT 2D Materials (IOP): Vitrimers are a new class of polymers that contain a covalent adaptable network where molecular bonds can be exchanged and reformed when heated above its Tv, providing them with stress relaxation, self-healing and reshaping abilities, which traditional thermosets lack. Herein, MoS2 and WS2 were used as nanofillers to… Experiment MoS₂ WS₂ https://arxiv.org/abs/2609.07295v1 https://arxiv.org/abs/2609.07295v1 Mon, 07 Sep 2026 10:10:10 GMT arXiv: Two-dimensional transition-metal dichalcogenides offer strong light-matter interaction but suffer from inefficient carrier separation and contact-related losses in photodetectors. Here, we demonstrate a high-gain WS₂/Fe₃GaTe₂ van der Waals heterostructure photodetector, where metallic Fe₃GaTe₂ serves as an active… Theory Fe₃GeTe₂, Fe₃GaTe₂ WS₂ https://phys.org/news/2026-08-femtosecond-nano-imaging-reveals-ultrafast.html https://phys.org/news/2026-08-femtosecond-nano-imaging-reveals-ultrafast.html Mon, 31 Aug 2026 22:00:07 GMT Phys.org: A collaborative research team has successfully visualized in real space the ultrafast optical modulation of hyperbolic phonon polaritons (HPhPs) in a van der Waals heterostructure composed of hBN and WS2. The research is published in the journal Nano Letters, and was led by Kazuki Kamada of the Institute for Molecular… Everyone hBN WS₂ https://arxiv.org/abs/2608.26701v1 https://arxiv.org/abs/2608.26701v1 Thu, 27 Aug 2026 06:58:13 GMT arXiv: We present an extension and comprehensive real-world validation of Co-Scientist, a Gemini-based multi-agent system designed to accelerate end-to-end scientific research across hypothesis generation, experimentation, and manuscript generation. Moving beyond in silico hypothesis generation, this specialized configuration… Experiment Engineering MoSe₂ MXenes MoS₂ WS₂ http://link.aps.org/doi/10.1103/s91z-v9m2 http://link.aps.org/doi/10.1103/s91z-v9m2 Mon, 24 Aug 2026 10:00:00 GMT Physical Review Materials: Functionalization of 2D materials and of transition metal dichalcogenides (TMDs) in particular is central for next generation devices and other applications. Here we study the effect of calcium dosing on the surfaces of clean WSe₂ and WS₂ in ultrahigh vacuum by x-ray … [Phys. Rev. Materials 10, 084004] Published Mon… Theory WSe₂ WS₂ https://arxiv.org/abs/2608.15551v1 https://arxiv.org/abs/2608.15551v1 Sun, 16 Aug 2026 05:57:17 GMT arXiv: Point defects in atomically thin materials have a strong impact on physical properties and those that induce in-gap states are advantageous for quantum information science and engineering (QISE). However, dopant engineering consisting of well-controlled synthesis and robust identification of in-gap states is… Experiment WS₂ https://arxiv.org/abs/2608.10895v1 https://arxiv.org/abs/2608.10895v1 Tue, 11 Aug 2026 13:18:15 GMT arXiv: The formation of Fabry Perot and guided wave self hybridized exciton polaritons in two dimensional materials results in long range exciton energy transfer and strong exciton exciton interactions. Here, we demonstrate that the coupling strength between photonic modes and excitons is significantly boosted by embedding… Theory WS₂ https://arxiv.org/abs/2608.10631v1 https://arxiv.org/abs/2608.10631v1 Tue, 11 Aug 2026 08:17:22 GMT arXiv: Slow cyclic modulation of an open quantum system can generate a geometric contribution to its energy transfer statistics, separable from the dynamic background. In this work we construct an experimentally anchored four state open system model for a gate-tunable WSe2/WS2 moiré exciton manifold within a population level… Theory Experiment WSe₂ WS₂ https://arxiv.org/abs/2608.08917v1 https://arxiv.org/abs/2608.08917v1 Sun, 09 Aug 2026 21:13:10 GMT arXiv: Moiré transition metal dichalcogenide (TMD) heterobilayers are commonly modeled by a continuum theory that yields topologically trivial bands, in contrast to their homobilayer counterparts which host topological bands and fractional Chern insulators (FCI). We show this conclusion is an artifact of neglecting the… Theory WSe₂ WS₂ https://arxiv.org/abs/2608.04888v2 https://arxiv.org/abs/2608.04888v2 Wed, 05 Aug 2026 14:12:30 GMT arXiv: All-two-dimensional magnetic tunnel junctions promise atomically sharp interfaces, yet the role of interface-induced states in their spin transport is not fully understood. Here, we theoretically investigate spin-dependent transport in van der Waals magnetic tunnel junctions of the structure Cr₂C/MY₂/Cr₂C (M = Mo, W; Y… Theory MoSe₂ WSe₂ WS₂ https://arxiv.org/abs/2608.04151v1 https://arxiv.org/abs/2608.04151v1 Tue, 04 Aug 2026 18:59:08 GMT arXiv: Localized interlayer excitons (IX) in moiré transition metal dichalcogenide heterostructures can both probe and participate in many-body states hosted by the moiré superlattice. When the IX density is small compared to the moiré lattice density, the formation of incompressible charge crystals at fractional electronic… Theory WSe₂ WS₂ https://arxiv.org/abs/2607.22532v1 https://arxiv.org/abs/2607.22532v1 Fri, 24 Jul 2026 17:59:43 GMT arXiv: Moiré-trapped dipolar interlayer exciton in heterobilayers offers a rich platform to explore interaction-driven phenomena. Extending the number of layers to three and beyond leads to highly intriguing multipolar exciton - a superposition state of vertically aligned phase-coherent excitons. However, in experiments… Theory WSe₂ WS₂ https://arxiv.org/abs/2607.20032v1 https://arxiv.org/abs/2607.20032v1 Wed, 22 Jul 2026 11:19:52 GMT arXiv: Van der Waals heterostructures based on transition metal dichalcogenides, TMDs, provide a versatile platform for tailoring electronic properties through interlayer charge transfer, CT. Precise control of CT is essential because it directly determines the electronic structure and carrier concentration in atomically thin… Theory WSe₂ hBN WS₂ https://arxiv.org/abs/2607.07590v1 https://arxiv.org/abs/2607.07590v1 Wed, 08 Jul 2026 16:12:37 GMT arXiv: Localized interlayer excitons in moiré heterobilayers can form dipolar exciton ladders, yet their internal spin-valley structure remains unresolved. Here, we use helicity-resolved magneto-photoluminescence to identify the microscopic origin of the ladder in R-stacked WSe₂/WS₂ at charge neutrality and one-electron… Theory WSe₂ WS₂ https://arxiv.org/abs/2607.00694v1 https://arxiv.org/abs/2607.00694v1 Wed, 01 Jul 2026 09:44:15 GMT arXiv: The exceptionally high in-plane refractive index, low sub-bandgap absorption, and strong optical anisotropy of WS2 make it a promising material platform for next-generation integrated circuits for nanophotonics. Its layered van der Waals structure further enables heterogeneous integration with silicon photonics and… Engineering WS₂ https://arxiv.org/abs/2606.07836v1 https://arxiv.org/abs/2606.07836v1 Fri, 05 Jun 2026 20:55:23 GMT arXiv: Many-body GW-Bethe-Salpeter equation calculations are essential for accurate simulations of electronic structure and optical properties in modern low-dimensional nanomaterials. However, these methods are computationally demanding and can exhibit localized numerical instabilities or convergence failures that are… Theory MoS₂ WS₂ https://arxiv.org/abs/2605.18501v1 https://arxiv.org/abs/2605.18501v1 Mon, 18 May 2026 14:55:50 GMT arXiv: Low-dimensional materials have emerged as promising hosts for quantum emitters, whose emission typically arises from either strain-induced band bending or defect-induced two-level systems. Among these materials, transition metal dichalcogenide (TMD) monolayers have attracted particular attention; however, their… Theory MoSe₂ MoS₂ WSe₂ WS₂ https://arxiv.org/abs/2605.13577v1 https://arxiv.org/abs/2605.13577v1 Wed, 13 May 2026 14:11:39 GMT arXiv: Dopant distribution in two-dimensional semiconductors is typically assumed to be stochastic, limiting deterministic defect engineering. Here, we show that non-equilibrium growth kinetics can be harnessed to define dopant-driven strain architectures in vanadium-doped WS₂ monolayers. Using synchrotron X-ray fluorescence… Experiment WS₂ https://arxiv.org/abs/2604.24671v1 https://arxiv.org/abs/2604.24671v1 Mon, 27 Apr 2026 16:29:45 GMT arXiv: Stacked van der Waals heterostructures based on transition metal dichalcogenides (TMDs) exhibit a rich variety of exotic interfacial phenomena. Substituting one component with an organic semiconductor (OSC) enables the design of hybrid heterostructures with tunable functionalities for optoelectronic, photovoltaic, and… Experiment WS₂ https://arxiv.org/abs/2604.23062v1 https://arxiv.org/abs/2604.23062v1 Fri, 24 Apr 2026 23:17:23 GMT arXiv: Optical cavities play a central role in photonic and quantum technologies by enhancing light-matter interactions. In semiconductor microcavities, achieving high quality (Q) factors typically relies on sophisticated epitaxial growth techniques, such as molecular beam epitaxy, which offer atomic-scale precision but are… Experiment WS₂ https://arxiv.org/abs/2604.22343v1 https://arxiv.org/abs/2604.22343v1 Fri, 24 Apr 2026 08:19:03 GMT arXiv: Understanding the dynamical evolution of large-scale moiré systems is crucial for connecting theoretical predictions with experimental observations. Here we develop a machine-learning-based workflow, integrating DeePMD and DeepH frameworks with first-principles calculations, to efficiently investigate time-dependent… Theory WS₂ https://arxiv.org/abs/2604.19080v1 https://arxiv.org/abs/2604.19080v1 Tue, 21 Apr 2026 04:45:10 GMT arXiv: Atomic-scale heterostructures of van der Waals (vdW) magnets and semiconductors provide a unique environment for exploring magnetic dynamics. In contrast to typical photothermal excitation of precessional magnetization dynamics by a pump laser pulse, we find that ultrafast optical excitation of a WS₂/CrGeTe₃ (CGT)… Theory Cr₂Ge₂Te₆ WS₂ https://arxiv.org/abs/2603.26386v1 https://arxiv.org/abs/2603.26386v1 Fri, 27 Mar 2026 13:14:40 GMT arXiv: Monolayer transition metal dichalcogenides are a suitable platform for studying excitonic coherence in the light-matter coupling regime. We present an ab initio time-dependent GW-Bethe-Salpeter equation (GW-BSE) investigation of coherent excitonic dynamics in monolayer WS₂. By solving the coherent coupling between the… Theory WS₂ https://arxiv.org/abs/2603.18230v1 https://arxiv.org/abs/2603.18230v1 Wed, 18 Mar 2026 19:33:14 GMT arXiv: Defects in two-dimensional transition metal dichalcogenides (TMDCs) broadly affect their optical and electronic properties. Directly capturing the ultrafast processes of exciton trapping and defect-bound exciton formation is crucial for understanding and advancing defect-mediated optoelectronics and quantum… Experiment WS₂