On the origin of charge-density waves in select layered transition-metal dichalcogenides

K Rossnagel - Journal of Physics: Condensed Matter, 2011 - iopscience.iop.org
The occurrence of charge-density waves in three selected layered transition-metal
dichalcogenides—1T-TaS 2, 2H-TaSe 2 and 1T-TiSe 2—is discussed from an …

2D group IVB transition metal dichalcogenides

C Yan, C Gong, P Wangyang, J Chu… - Advanced Functional …, 2018 - Wiley Online Library
Semiconductor technology is currently impaired by the surface dangling bond of materials,
which introduces scattering and interface traps. 2D materials, especially transition metal …

Signatures of exciton condensation in a transition metal dichalcogenide

A Kogar, MS Rak, S Vig, AA Husain, F Flicker, YI Joe… - Science, 2017 - science.org
Bose condensation has shaped our understanding of macroscopic quantum phenomena,
having been realized in superconductors, atomic gases, and liquid helium. Excitons are …

Charge density wave transition in single-layer titanium diselenide

P Chen, YH Chan, XY Fang, Y Zhang, MY Chou… - Nature …, 2015 - nature.com
A single molecular layer of titanium diselenide (TiSe2) is a promising material for advanced
electronics beyond graphene—a strong focus of current research. Such molecular layers are …

Time-domain classification of charge-density-wave insulators

S Hellmann, T Rohwer, M Kalläne, K Hanff… - Nature …, 2012 - nature.com
Distinguishing insulators by the dominant type of interaction is a central problem in
condensed matter physics. Basic models include the Bloch-Wilson and the Peierls insulator …

Emergence of charge density wave domain walls above the superconducting dome in 1T-TiSe2

YI Joe, XM Chen, P Ghaemi, KD Finkelstein… - Nature Physics, 2014 - nature.com
Superconductivity in so-called unconventional superconductors is nearly always found in
the vicinity of another ordered state, such as antiferromagnetism, charge density wave …

Non-thermal separation of electronic and structural orders in a persisting charge density wave

M Porer, U Leierseder, JM Ménard, H Dachraoui… - Nature materials, 2014 - nature.com
The simultaneous ordering of different degrees of freedom in complex materials undergoing
spontaneous symmetry-breaking transitions often involves intricate couplings that have …

Charge density wave and pressure-dependent superconductivity in the kagome metal : A first-principles study

JG Si, WJ Lu, YP Sun, PF Liu, BT Wang - Physical Review B, 2022 - APS
The kagome metals AV 3 Sb 5 (A= K, Rb, and Cs) have received intensive research interest
due to the presence of charge density waves (CDWs), Z 2 topological surface states, and …

Orthorhombic-to-monoclinic phase transition of TaNiSe induced by the Bose-Einstein condensation of excitons

T Kaneko, T Toriyama, T Konishi, Y Ohta - Physical Review B—Condensed …, 2013 - APS
Using the band structure calculation and mean-field analysis of the derived three-chain
Hubbard model with phonon degrees of freedom, we discuss the origin of the orthorhombic …

Ultrafast formation of topological defects in a two-dimensional charge density wave

Y Cheng, A Zong, L Wu, Q Meng, W **a, F Qi, P Zhu… - Nature Physics, 2024 - nature.com
Topological defects play a central role in dynamical systems undergoing a non-adiabatic
transition. In solids, topological defects as a result of femtosecond laser excitation have …