activity
20202026
most citedSoftening of a flat phonon mode in the kagome ScVSn

81 citations · 289 across the 18 of their papers we have counts for

collaborators

20 papers

cond-mat.str-el2026

Incoherent Spectral Weight Emerging from a Van Hove Singularity in a Kagome Metal

C. -y. Lim, J. Deng, A. Korshunov +14

Waterfall-like spectral features observed by angle-resolved photoemission spectroscopy (ARPES) are commonly associated with strong electronic correlations or electron-boson couplin…

cond-mat.supr-con2026

Momentum Structure of Superconductivity and Sublattice Effects from Quasiparticle Interference in CsVSb

Aaron G. Greenberg, Xinze Yang, Junze Deng +11

Quantum interference encoded in the sublattice texture of kagome Bloch wavefunctions has been widely invoked as a route to correlated states, including chiral charge order, unconve…

cond-mat.str-el2026

Symmetry-Selective Stabilization of Charge-Density Wave in ScVSn

A. Korshunov, C. -Y. Lim, J. Corral-Sertal +10

Charge-density-wave (CDW) order in kagome metals is highly sensitive to external tuning parameters such as chemical substitution and hydrostatic pressure, which generally suppress…

cond-mat.str-el2025

Unravelling disorder in kagome YbCoGe

A. Korshunov, C. A. Fuller, C. -Y. Lim +7

The presence of phonon instabilities that leads to the formation of charge modulated states in kagome metals has allowed their classification based on the atomic displacements. Her…

cond-mat.supr-con2025★ 1 cited

Theory of Superconductivity in LaRuSi and Predictions of New Kagome Flat Band Superconductors

Junze Deng, Yi Jiang, Tiago F. T. Cerqueira +14

We present a comprehensive investigation of the flat-band kagome superconductor LaRuSi, which has recently been reported to host charge density wave (CDW) order above room…

cond-mat.str-el2025

Flat band driven itinerant magnetism in the Co-pnictides CaCoAs and LaCoP

D. Subires, M. García-Díez, A. Kar +12

Flat bands can induce strong electron correlation effects that help stabilize both magnetic and superconducting states. Here, we carry out angle-resolved photoemission spectroscopy…

cond-mat.mtrl-sci2024

Catalogue of Phonon Instabilities in Symmetry Group 191 Kagome MTZ Materials

X. Feng, Y. Jiang, H. Hu +6

Kagome materials manifest rich physical properties due to the emergence of abundant electronic phases. Here, we carry out a high-throughput first-principles study of the kagome 1:6…

cond-mat.str-el2024★ 1 cited

Cascade of pressure induced competing CDWs in the kagome metal FeGe

A. Korshunov, A. Kar, C. -Y. Lim +14

Electronic ordering is prevalent in correlated systems, which commonly exhibit competing interactions. Here, we use x-ray diffraction to demonstrate a cascade of pressure induced o…

cond-mat.str-el2024★ 11 cited

Frustrated charge density wave and quasi-long-range bond-orientational order in the magnetic kagome FeGe

D. Subires, A. Kar, A. Korshunov +18

The intrinsic frustrated nature of a kagome lattice is amenable to the realization of exotic phases of matter, such as quantum spin liquids or spin ices, and more recently the mult…

cond-mat.other2024★ 4 cited

Interfacing Quantum Spin Hall and Quantum Anomalous Hall insulators: Bi bilayer on MnBiTe-family materials

I. I. Klimovskikh, S. V. Eremeev, D. A. Estyunin +17

Meeting of non-trivial topology with magnetism results in novel phases of matter, such as Quantum Anomalous Hall (QAH) or axion insulator phases. Even more exotic states with high…

cond-mat.mtrl-sci2024

Self-stacked 1-1 layers in 6-NbSeTe and the emergence of charge and magnetic correlations due to ligand disorder

S. K. Mahatha, J. Phillips, J. Corral-Sertal +14

The emergence of correlated phenomena arising from the combination of 1 and 1 van der Waals layers is the focus of intense research. Here, we synthesize a n…

cond-mat.str-el2023★ 16 cited

FeGe as a building block for the kagome 1:1, 1:6:6, and 1:3:5 families: hidden d-orbital decoupling of flat band sectors, effective models and interaction Hamiltonians

Yi Jiang, Haoyu Hu, Dumitru Călugăru +5

The electronic structure and interactions of kagome materials, such as the 1:1 (FeGe) and 1:6:6 (MgFe6Ge6) classes, are complicated and involve many orbitals and bands around the F…

cond-mat.supr-con2023★ 13 cited

PbCu(PO4)(OH): Phonon bands, Localized Flat Band Magnetism, Models, and Chemical Analysis

Yi Jiang, Scott B. Lee, Jonah Herzog-Arbeitman +12

In a series of recent reports, doped lead apatite (LK-99) has been proposed as a candidate ambient temperature and pressure superconductor. However, from both an experimental and t…

cond-mat.str-el2023

Electronic structure and lattice dynamics of 1T-VSe: origin of the 3D-CDW

Josu Diego, D. Subires, A. H. Said +21

In order to characterize in detail the charge density wave (CDW) transition of 1-VSe, its electronic structure and lattice dynamics are comprehensively studied by means of x…

cond-mat.mtrl-sci2023

Temperature and thickness dependence of the thermal conductivity in 2D ferromagnet FeGeTe

Marcel S. Claro, Javier Corral-Sertal, Adolfo O. Fumega +5

The emergence of symmetry-breaking orders such as ferromagnetism and the weak interlayer bonding in van der Waals materials, offers a unique platform to engineer novel heterostruct…

cond-mat.str-el2023★ 14 cited

Kagome Materials I: SG 191, ScVSn. Flat Phonon Soft Modes and Unconventional CDW Formation: Microscopic and Effective Theory

Haoyu Hu, Yi Jiang, Dumitru Călugăru +6

Kagome Materials with flat bands exhibit wildly different physical properties depending on symmetry group, and electron number. For the case of ScVSn in space group 191, we…

cond-mat.str-el2023★ 81 cited

Softening of a flat phonon mode in the kagome ScVSn

A. Korshunov, H. Hu, D. Subires +16

The long range electronic modulations recently discovered in the geometrically frustrated kagome lattice have opened new avenues to explore the effect of correlations in materials…

cond-mat.mtrl-sci2022★ 21 cited

Anharmonicity reveals the tunability of the charge density wave orders in monolayer VSe

Adolfo O. Fumega, Josu Diego, V. Pardo +2

VSe is a layered compound that has attracted great attention due to its proximity to a ferromagnetic state that is quenched by the presence of a charge density wave (CDW) phase…

cond-mat.str-el2022★ 61 cited

Order-disorder Peierls instability in the kagome metal (Cs,Rb)VSb

D. Subires, A. Korshunov, A. H. Said +5

The nature of the charge density wave phases in the kagome metal compound AVSb has raised many questions and their origin is still under debate. Here, we combine diffuse sc…

cond-mat.mtrl-sci2020★ 66 cited

Phonon collapse and van der Waals melting of the 3D charge density wave of VSe

Josu Diego, A. H. Said, S. K. Mahatha +7

Among transition metal dichalcogenides (TMDs), VSe is considered to develop a purely 3-dimensional (3D) charge-density wave (CDW) at T=110 K. Here, by means of high res…