https://flatland-pi.vercel.app/materials/group4-tmdc.html The newest items tagged TiSe₂, ZrSe₂, HfSe₂ in the Flatland news feed. en Mon, 05 Oct 2026 08:10:53 GMT https://iopscience.iop.org/article/10.1088/1361-6528/aea85a https://iopscience.iop.org/article/10.1088/1361-6528/aea85a Tue, 29 Sep 2026 23:00:00 GMT Nanotechnology (IOP): This work demonstrates that mechanical exfoliation induces measurable distortions in the van der Waals (vdW) gap of layered crystals, while the annealing process can reduce this distortion. Using x-ray diffraction, lattice parameters were compared in bulk and mechanically exfoliated flakes of selected transition metal… Theory Experiment SnSe, GeSe TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2609.11992v1 https://arxiv.org/abs/2609.11992v1 Wed, 09 Sep 2026 20:05:43 GMT arXiv: In this study, we examine the surface sensitivity of a transition metal dichalcogenide (TiTe2) grown using the Chemical Vapor Transport (CVT) technique at high pressure and study the surface changes in the sample upon exposure to air as well as its crystallographic properties upon e-beam exposure. We examine the local… Experiment TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2608.29822v1 https://arxiv.org/abs/2608.29822v1 Sun, 30 Aug 2026 14:47:05 GMT arXiv: Motivated by the unique characteristics of the phase diagram of 1T-TiSe2, we investigated the complex interplay of excitonic charge density wave (CDW) and superconductivity (SC) on a two-dimensional triangular lattice, each site accommodating two orbitals. In response to various tuning parameters, such as… Theory Experiment TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2608.05059v1 https://arxiv.org/abs/2608.05059v1 Wed, 05 Aug 2026 17:06:37 GMT arXiv: The mechanism driving the charge density wave (CDW) transition in TiSe2 has been debated for decades, with proposals ranging from an excitonic insulator to a lattice-driven instability. A central question remains whether the transition involves an opening or enhancement of the bulk band gap. Using high-resolution… Experiment TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2606.13828v1 https://arxiv.org/abs/2606.13828v1 Thu, 11 Jun 2026 18:59:40 GMT arXiv: Low-dimensional transition-metal dichalcogenides (TMDCs) provide an ideal platform for studying the emergence of charge density wave (CDW) and superconductivity. The discovery of emergent CDW order in 1T ZrTe₂ monolayer raises an important question: does this instability persist when one Te chalcogen layer is… Theory TiSe₂, ZrSe₂, HfSe₂ Janus MoSSe https://arxiv.org/abs/2606.04728v1 https://arxiv.org/abs/2606.04728v1 Wed, 03 Jun 2026 11:13:02 GMT arXiv: Strongly correlated quantum states, such as charge density waves (CDWs), are exquisitely sensitive to Fermi surface topology and lattice symmetry, and are typically quenched by heavy carrier doping. In two-dimensional (2D) systems, however, macroscopic geometric curvature emerges as a novel structural degree of freedom… Experiment TiSe₂, ZrSe₂, HfSe₂ NbSe₂, NbS₂, NbTe₂ https://arxiv.org/abs/2604.26685v1 https://arxiv.org/abs/2604.26685v1 Wed, 29 Apr 2026 13:51:21 GMT arXiv: Surface confined electronic states provide a fertile ground for discovering emergent phenomena that have no counterpart in the bulk, offering new routes to manipulate correlations, symmetry breaking, and dimensionality at the atomic scale. Here, we show that charge density wave (CDW) symmetry breaking can yield a… Theory Experiment TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2603.11819v1 https://arxiv.org/abs/2603.11819v1 Thu, 12 Mar 2026 11:27:28 GMT arXiv: The cold source field-effect transistor (CSFET) is promising for reducing power dissipation in integrated circuits by engineering the density of states at the injecting source. Existing CSFET designs utilizing Dirac-source metals or p-Metal-n stacks are challenged by Schottky barriers at the metal-semiconductor… Theory TiSe₂, ZrSe₂, HfSe₂ WTe₂ https://arxiv.org/abs/2603.09603v1 https://arxiv.org/abs/2603.09603v1 Tue, 10 Mar 2026 12:47:31 GMT arXiv: The interlayer quasi-chemical-bonding (QCB) interactions of two-dimensional (2D) layered materials promote the research field of interlayer-engineering and cause interlayer charge density redistributions (ICDRs). The ICDRs have been reported experimentally and theoretically, which show different redistributions, e.g.… Theory TiSe₂, ZrSe₂, HfSe₂ NbSe₂, NbS₂, NbTe₂ MoS₂ https://arxiv.org/abs/2603.03663v1 https://arxiv.org/abs/2603.03663v1 Wed, 04 Mar 2026 02:35:29 GMT arXiv: Electron-boson coupling is central to a comprehensive understanding of the diverse physical phenomena emerging from many-body interactions. Yet less attention has been paid to how plasmons, collective bosonic modes of electron density oscillation, interact with conduction electrons and how external parameters can tune… Theory Experiment TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2601.02647v1 https://arxiv.org/abs/2601.02647v1 Tue, 06 Jan 2026 01:48:40 GMT arXiv: The filling of the large van der Waals gap in Transition Metal Dichalcogenides (TMDs) often leads to lattice and electronic instabilities, which prelude the onset of a rich phenomenology. Here, we investigate the electronic structure of the TMDs ZrTe₂ and Ni-intercalated ZrTe₂ (NiₓZrTe₂, x≈0.05) employing… Experiment TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2601.00723v1 https://arxiv.org/abs/2601.00723v1 Fri, 02 Jan 2026 15:37:12 GMT arXiv: The interplay among electronic nematicity, charge density wave, and superconductivity in correlated electronic systems has induced extensive research interest. Here, we discover the existence of nematic fluctuations in TiSe2 single crystal and investigate its evolution with Cu intercalation. It is observed that the… Experiment TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2511.03712v1 https://arxiv.org/abs/2511.03712v1 Wed, 05 Nov 2025 18:43:37 GMT arXiv: Angle-resolved photoemission spectroscopy is employed to study the electronic structure of bulk TiSe2 before and after doping with potassium impurities. A splitting in the conduction band into two branches is observed after room-temperature deposition. The splitting energy increases to approximately 130 meV when the… Theory Experiment TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2507.12430v3 https://arxiv.org/abs/2507.12430v3 Wed, 16 Jul 2025 17:18:31 GMT arXiv: The complex phase diagram of 1T-TiSe2 consists of a charge density wave (CDW) below 200 K, and CDW fluctuations of still unknown origin at higher temperatures. Here, we use time-resolved extreme ultraviolet momentum microscopy and density functional perturbation theory to uncover the formation mechanism of CDW… Experiment Theory TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2506.23570v1 https://arxiv.org/abs/2506.23570v1 Mon, 30 Jun 2025 07:24:55 GMT arXiv: Motivated by the successful synthesis of isolated ZrS2 and HfS2 transition metal dichalcogenide (TMD) monolayers and inspired by their nearly identical lattice constants, we construct and investigate a vertical ZrS2/HfS2 van der Waals (vdW) heterostructure. Using first-principles calculations based on density… Theory TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2506.10555v1 https://arxiv.org/abs/2506.10555v1 Thu, 12 Jun 2025 10:27:06 GMT arXiv: Structurally-defined molecule-based lattices such as covalent organic or metal-organic networks on substrates, have emerged as highly tunable, modular platforms for two-dimensional band structure engineering. The ability to grow molecule-based lattices on diverse platforms, such as metal dichalcogenides, would further… Experiment Theory TiSe₂, ZrSe₂, HfSe₂ https://arxiv.org/abs/2505.22328v1 https://arxiv.org/abs/2505.22328v1 Wed, 28 May 2025 13:15:00 GMT arXiv: We measured the I(V) and dV/dI(V) characteristics of TiTe2-based point contacts (PCs) from room to helium temperatures. Features indicating the emergence of a charge density wave (CDW) were detected. They represent symmetrical relatively V=0 maxima in dV/dI(V) around 150 mV at liquid helium temperatures, which… Experiment TiSe₂, ZrSe₂, HfSe₂