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Related papers: Manipulating charge-density-wave in monolayer $1T$…

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Charge density wave (CDW) is discovered within a wide interval in solids, however, its microscopic nature is still not transparent in most realistic materials, and the recently studied chiral ones with chiral structural distortion remain…

Materials Science · Physics 2024-12-11 Shuai Zhang , Kaifa Luo , Tiantian Zhang

Here we investigate how charge density waves (CDW), inherent to a monolayer, are effected by creating twisted van der Waals structures. Homobilayers of metallic transition metal dichalcogenides (TMDs), at small twist angles where there is…

Materials Science · Physics 2023-05-29 Zachary A. H. Goodwin , Vladimir I. Fal'ko

Laser excitation has emerged as an effective tool for probing microscopic interactions and manipulating phases of matter. Among charge density wave (CDW) materials, 1T-TaS2 has garnered significant attention due to its diverse stacking…

Materials Science · Physics 2025-02-26 Jin Zhang , Yang Yang , Jia Zhang , Mengxue Guan , Jiyu Xu , Kun Yang , Xinghua Shi , Sheng Meng

Pressure-dependent transport measurements of Ir$_{1-x}$Pt$_x$Te$_2$ are reported. With increasing pressure, the structural phase transition at high temperatures is enhanced while its superconducting transition at low temperatures is…

Strongly Correlated Electrons · Physics 2013-04-18 A. Kiswandhi , J. S. Brooks , H. B. Cao , J. Q. Yan , D. Mandrus , Z. Jiang , H. D. Zhou

The transition metal dichalcogenide $1T$-TiSe$_2$ is a quasi-two-dimensional layered material with a phase transition towards a commensurate charge density wave (CDW) at a critical temperature T$_{c}\approx 200$K. The relationship between…

The nature of unconventional superconductivity associated with charge density wave order in transition metal dichalcogenides is currently a debated issue. Starting from a normal state elec- tronic structure followed by a charge ordered…

Strongly Correlated Electrons · Physics 2017-01-02 S Koley

The competition between proximate electronic phases produces a complex phenomenology in strongly correlated systems. In particular, fluctuations associated with periodic charge or spin modulations, known as density waves, may lead to exotic…

The strongly correlated charge density wave (CDW) phase of 1T-TiSe$_2$ is being extensively researched to verify the claims of a unique chiral order due to the presence of three equivalent Fermi wavevectors involved in the CDW formation.…

Strongly Correlated Electrons · Physics 2023-11-21 Harshvardhan Jog , Luminita Harnagea , Dibyata Rout , Takashi Taniguchi , Kenji Watanabe , Eugene J. Mele , Ritesh Agarwal

Transition metal dichalcogenides (TMDs) display a rich variety of instabilities such as spin and charge orders, Ising superconductivity and topological properties. Their physical properties can be controlled by doping in electric…

The electronic orders appearing in condensed matter systems are originating from the precise arrangement of atoms constituting the crystal as well as their nature. This teneous relationship can lead to highly different phases in condensed…

We investigate charge ordering in the Holstein model in the presence of anisotropic hopping, $t_x, t_y=1-\delta, 1 + \delta$, as a model of the effect of strain on charge density wave (CDW) materials. Using Quantum Monte Carlo simulations,…

Strongly Correlated Electrons · Physics 2019-07-24 B. Cohen-Stead , N. C. Costa , E. Khatami , R. T. Scalettar

The charge density wave (CDW) in 1T-TiSe2 accompanied by the periodic lattice distortion has a nontrivial symmetry configuration. The symmetry is important as an indication of the mechanism and a cue for experimental probes. We examine the…

We report on a transient optical reflectivity study of the charge density wave (CDW) in CuxTiSe2 single crystals. Our measurements reveal that the system undergoes a quantum phase transition at x=0.04 from a strong commensurate CDW (x<0.04)…

Strongly Correlated Electrons · Physics 2016-12-07 D. B. Lioi , R. D. Schaller , G. P. Wiederrecht , G. Karapetrov

Non-trivial electronic states are attracting intense attention in low-dimensional physics. Though chirality has been identified in charge states with a scalar order parameter, its intertwining with charge density waves (CDW), film thickness…

The strongly correlated spin-triplet superconductor UTe2 hosts an unusual landscape of magnetic-field-sensitive charge density wave (CDW) phases, positioning it as a compelling system for studying intertwined electronic orders. A central…

Understanding and controlling the charge density wave (CDW) phase diagram of transition metal dichalcogenides is a long-studied problem in condensed matter physics. However, due to complex involvement of electron and lattice degrees of…

Materials Science · Physics 2026-01-15 Luka Benić , Federico Grasselli , Chiheb Ben Mahmoud , Dino Novko , Ivor Lončarić

Superconductivity and charge density wave (CDW) appear in the phase diagram of a variety of materials including the high - $T$$_c$ cuprate family and many transition metal dichalcogenides (TMDs). Their interplay may give rise to exotic…

Superconductivity · Physics 2021-09-14 Menghan Liao , Heng Wang , Yuying Zhu , Runan Shang , Mohsin Rafique , Lexian Yang , Hao Zhang , Ding Zhang , Qi-Kun Xue

Two-dimensional van der Waals materials have become an established platform to engineer flat bands which can lead to strongly-correlated emergent phenomena. In particular, the family of Ta dichalcogenides in the 1\textit{T} phase presents a…

Superconductivity · Physics 2024-07-09 Jan Phillips , Jose L. Lado , Victor Pardo , Adolfo O. Fumega

Due to their great potential in electronics, optoelectronics and piezoelectronics, Janus transition metal dichalcogenide (TMD) monolayers have attracted increasing research interest, the MoSSe of which with sandwiched S-Mo-Se structure has…

Materials Science · Physics 2020-01-08 San-Dong Guo , Xiao-Shu Guo , Ye Deng

The interplay between unconventional superconductivity and the ordering of charge/spin density wave is one of the most vital issues in both condensed matter physics and material science. The Ti-based compound BaTi_2As_2O, which can be seen…