Evidence for ground state coherence in a two-dimensional Kondo lattice

W Wan, R Harsh, A Meninno, P Dreher, S Sajan… - Nature …, 2023 - nature.com
Kondo lattices are ideal testbeds for the exploration of heavy-fermion quantum phases of
matter. While our understanding of Kondo lattices has traditionally relied on complex bulk f …

Metallization and spin fluctuations in cu-doped lead apatite

Y Sun, KM Ho, V Antropov - Physical Review Materials, 2023 - APS
An electronic structure and magnetic properties analysis of the recently proposed Cu-doped
lead apatite is performed. We show that electronic structures of differently Cu-substituted …

Prediction of Van Hove singularity systems in ternary borides

Y Sun, Z Zhang, AP Porter, K Kovnir, KM Ho… - npj Computational …, 2023 - nature.com
A computational search for stable structures among both α and β phases of ternary ATB4
borides (A= Mg, Ca, Sr, Ba, Al, Ga, and Zn, T is 3d or 4d transition elements) has been …

Modulating p-type do** of two dimensional material palladium diselenide

J Yang, Y Liu, EY Wang, J Pang, S Huang, T Gemming… - Nano Research, 2024 - Springer
The van der Waals heterostructures have evolved as novel materials for complementing the
Si-based semiconductor technologies. Group-10 noble metal dichalcogenides (eg, PtS2 …

Stacking-dependent Van Hove singularity shifts in three-dimensional charge density waves of kagome metals AV3Sb5 (A= K, Rb, Cs)

CK Barman, SW Kim, Y Kim - Current Applied Physics, 2024 - Elsevier
Vanadium-based kagomé systems AV 3 Sb 5 (A= K, Rb, Cs) have emerged as paradigmatic
examples exhibiting unconventional charge density waves (CDWs) and superconductivity …

Competing length scales and 2D versus 3D dimensionality in relatively thick superconducting NbN films

M Belogolovskii, M Poláčková, E Zhitlukhina… - Scientific Reports, 2023 - nature.com
Magneto-transport characteristics of 2D and 3D superconducting layers, in particular,
temperature and angular dependences of the upper critical field H c2, are usually …

Anticorrelation between electron-phonon coupling strength and stability of ternary metal diborides

R Wang, F Zheng, Z Zhang, S Wu, H Dong, CZ Wang… - Physical Review B, 2025 - APS
This paper endeavors to expand the exploration of prospective superconductivity within the
P 6/mmm-MgB 2 structural framework by substituting Mg atoms with a random selection of …

Probing the Quantized Berry Phases in 1H-NbSe Using Scanning Tunneling Microscopy

D Călugăru, Y Jiang, H Guo, S Sajan, Y Wang… - arxiv preprint arxiv …, 2025 - arxiv.org
Topologically trivial insulators are classified into two primary categories: unobstructed and
obstructed atomic insulators. While both types can be described by exponentially localized …

Controlling charge density order in using a van Hove singularity

WRB Luckin, Y Li, J Jiang, SM Gunasekera, C Wen… - Physical Review …, 2024 - APS
We report on the interplay between a van Hove singularity and a charge density wave state
in 2 H-TaSe 2. We use angle-resolved photoemission spectroscopy to investigate changes …

Layer thickness and substrate effects on superconductivity in epitaxial FeSe films on BLG/SiC (0001)

Y Wang, H Guo, A Etxebarria, S Sajan, S Barja… - arxiv preprint arxiv …, 2024 - arxiv.org
The layered nature and simple structure of FeSe reveal this iron-based superconductor as a
unique building block for the design of artificial heterostructure materials. While …