Softening of a flat phonon mode in the kagome ScV6Sn6

A Korshunov, H Hu, D Subires, Y Jiang… - Nature …, 2023 - nature.com
Geometrically frustrated kagome lattices are raising as novel platforms to engineer
correlated topological electron flat bands that are prominent to electronic instabilities. Here …

Nanoscale visualization and spectral fingerprints of the charge order in ScV6Sn6 distinct from other kagome metals

S Cheng, Z Ren, H Li, JS Oh, H Tan, G Pokharel… - npj Quantum …, 2024 - nature.com
Charge density waves (CDWs) in kagome metals have been tied to many exotic
phenomena. Here, using spectroscopic-imaging scanning tunneling microscopy and angle …

Origin of competing charge density waves in kagome metal ScV6Sn6

K Wang, S Chen, SW Kim, B Monserrat - Nature Communications, 2024 - nature.com
Understanding competing charge density wave (CDW) orders in the bilayer kagome metal
ScV6Sn6 remains challenging. Experimentally, upon cooling, short-range order with wave …

Tiny Sc Allows the Chains to Rattle: Impact of Lu and Y Doping on the Charge-Density Wave in ScV6Sn6

WR Meier, RP Madhogaria, S Mozaffari… - Journal of the …, 2023 - ACS Publications
The kagome metals display an intriguing variety of electronic and magnetic phases arising
from the connectivity of atoms on a kagome lattice. A growing number of these materials with …

Driving mechanism and dynamic fluctuations of charge density waves in the kagome metal

S Liu, C Wang, S Yao, Y Jia, Z Zhang, JH Cho - Physical Review B, 2024 - APS
In contrast to the AV 3 Sb 5 (A= K, Rb, Cs) family exhibiting the ubiquitous 2× 2× 2 charge
density wave (CDW) order, only ScV 6 Sn 6 in the RV 6 Sn 6 (R= Sc, Y, La) family displays …

Orbital selective commensurate modulations of the local density of states in ScV6Sn6 probed by nuclear spins

R Guehne, J Noky, C Yi, C Shekhar… - Nature …, 2024 - nature.com
The kagome network is a unique platform that harbors a diversity of special electronic states
due to its inherent band structure features comprising Dirac cones, van Hove singularities …

Electronic properties of kagome metal using high-field torque magnetometry

K Shrestha, B Regmi, G Pokharel, SG Kim, SD Wilson… - Physical Review B, 2023 - APS
This work presents electronic properties of the kagome metal ScV 6 Sn 6 using de Haas–
van Alphen (dHvA) oscillations and density-functional theory (DFT) calculations. The torque …

Order-by-disorder charge density wave condensation at in kagome metal

A Subedi - Physical Review Materials, 2024 - APS
The recent discovery of a charge density wave order at the wave vector P (1 3, 1 3, 1 3) in
the kagome metal ScV 6 Sn 6 has created a mystery because subsequent theoretical and …

Frustrated Ising charge correlations in the kagome metal

SJG Alvarado, G Pokharel, BR Ortiz, JAM Paddison… - Physical Review B, 2024 - APS
Here we resolve the real-space nature of the high-temperature, short-range charge
correlations in the kagome metal ScV 6 Sn 6. Diffuse scattering appears along a frustrated …

Theory of excitonic order in ScVSn

J Ingham, A Consiglio, D di Sante, R Thomale… - arXiv preprint arXiv …, 2024 - arxiv.org
We argue that kagome metals can feature an excitonic condensate of unconventional
nature. Studying the recently discovered variant ScV $ _6 $ Sn $ _6 $, we identify electron …