Plasmons in the van der Waals charge-density-wave material 2H-TaSe
2021年1月15日 · Here, we experimentally demonstrate localized plasmons in a correlated 2D charge-density-wave (CDW) material: 2H-TaSe 2. The plasmon resonance can cover a broad …
Strong correlations and orbital texture in single-layer 1T-TaSe
2020年1月6日 · A triangular CDW superlattice is observed on single-layer, bilayer and trilayer 1T-TaSe 2, as seen in Fig. 1b,c and Supplementary Fig. 1 where each bright spot corresponds to …
Robust charge-density wave strengthened by electron ... - Nature
2021年10月7日 · The enhanced Mott-Hubbard and CDW gaps for monolayer TaSe 2 compared to NbSe 2, originating in the lattice distortion assisted by strengthened correlations and …
[2502.11204] Charge Orders in Fully Intercalated Bilayer TaSe$_2 ...
2025年2月16日 · By performing first-principles calculations, we demonstrate the suppression of an intrinsic 3 × 3 charge density wave (CDW) in parent TaSe 2 layers, and the emergence of 2 …
On the charge-density-wave mechanism of layered 2H-TaSe
2004年7月1日 · The charge-density-wave (CDW) transitions of 2H-TaSe 2 were investigated by high resolution angle-resolved photoelectron spectroscopy. A new possible CDW mechanism …
Persistent Charge-Density-Wave Order in Single-Layer TaSe2
Enhanced spin–orbit coupling and lattice distortion in the single-layer play a crucial role in the formation of CDW order. Our findings provide a deeper understanding of the nature of CDW …
Charge density waves and superconductivity in 2H-TaSe
Charge density waves (CDW) in 2H-TaSe 2 were studied by use of an ultra-low temperature STM over a wide temperature range between 90 mK and 300 K. The superlattice structure due to …
[2411.18205] Nature of metallic and insulating domains in the CDW ...
2024年11月27日 · We study the electronic structure of bulk 1T-TaSe 2 in the charge density wave phase at low temperature. Our spatially and angle resolved photoemission (ARPES) data …
Coexistence of Superconductivity with Enhanced Charge Density …
2019年7月5日 · Bulk 2 H -TaSe 2 is a model charge density wave (CDW) metal with superconductivity emerging at extremely low temperature (Tc = 0.1 K). Here, by first-principles …
Structural, electronic and vibrational properties of few-layer 2H …
2015年11月16日 · Few-layer tantalum diselenides (TaSe 2) are typical metallic TMDs exhibiting rich CDW phase transitions. However, a description of the structural, electronic and...
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