[HTML][HTML] Breakdown of the scaling relation of anomalous Hall effect in Kondo lattice ferromagnet USbTe

H Siddiquee, C Broyles, E Kotta, S Liu, S Peng… - Nature …, 2023 - nature.com
The interaction between strong correlation and Berry curvature is an open territory of in the
field of quantum materials. Here we report large anomalous Hall conductivity in a Kondo …

Crystallographic defects in Weyl semimetal LaAlGe

I Kim, B Kang, H Kim, M Choi - Physical Review Materials, 2024 - APS
Crystallographic defects in a topological semimetal can result in charge doping and
scattering centers which may mask the exotic spectroscopic and transport properties …

[HTML][HTML] Infinite-layer nickelates as Ni-eg Hund's metals

B Kang, C Melnick, P Semon, S Ryee, MJ Han… - npj Quantum …, 2023 - nature.com
The recent and exciting discovery of superconductivity in the hole-doped infinite-layer
nickelate Nd1− δ Sr δ NiO2 draws strong attention to correlated quantum materials. From a …

Two-gap superconductivity and decisive role of rare-earth electrons in infinite-layer nickelates

Z Li, SG Louie - arXiv preprint arXiv:2210.12819, 2022 - arxiv.org
The discovery of superconductivity in infinite-layer nickelates, with transition temperature ($
T_c $) up to 23 K, provides an exciting new avenue to study correlated electrons and …

[HTML][HTML] Dual nature of magnetism driven by momentum dependent f-d Kondo hybridization

B Kang, Y Lee, L Ke, H Kim, MH Kim… - Communications …, 2024 - nature.com
The intricate nature of magnetism in uranium-based Kondo lattices is a consequence of
correlations between U-5 f and conduction electrons. Previously, the source of magnetism …

Mott-Insulator State of FeSe as a Van der Waals 2D Material Is Unveiled

B Kang, M Kim, CH Park, A Janotti - Physical Review Letters, 2024 - APS
We undertook a comprehensive investigation of the electronic structure of FeSe, known as a
Hund metal, and found that it is not uniquely defined. Through accounting for all two-particle …

[HTML][HTML] Evidence of hydrogen content and monovalent Ni oxidation state in non-superconducting bulk anchored infinite-layer nickelates

J Gainza, CA Lopez, F Serrano-Sánchez… - Cell Reports Physical …, 2023 - cell.com
Since superconductivity was first reported in nickelate thin films, many studies have been
published about this family of materials, and different hypotheses have been proposed for …

Mott transition and abnormal instability of electronic structure in FeSe

B Kang, M Kim, CH Park, A Janotti - arXiv preprint arXiv:2310.15260, 2023 - arxiv.org
FeSe has been extensively investigated in the context of quantum matter, primarily due to its
achievement of the highest superconducting transition temperature among Fe-based …

Absence of mixed valency for Pr in pristine and hole-doped

X Liao, MR Norman, H Park - Physical Review B, 2023 - APS
Infinite-layer nickelates (R NiO 2) exhibit some distinct differences as compared to cuprate
superconductors, leading to a debate concerning the role of rare-earth ions (R= La, Pr, Nd) …

Exclusive interplay between topological quasiparticles and strongly correlated fermions

B Kang, Z Brown, MH Kim, H Kim, CH Park - arXiv preprint arXiv …, 2024 - arxiv.org
The low-energy excitations of topological quantum matter have been increasingly
comprehended. However, the impact of these excitations on strongly correlated fermions …