300 citations · 1.6k across the 71 of their papers we have counts for
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Nanoscale view of engineered massive Dirac quasiparticles in lithographic superstructures
Alfred J. H. Jones, Lene Gammelgaard, Mikkel O. Sauer +13
Massive Dirac fermions are low-energy electronic excitations characterized by a hyperbolic band dispersion. They play a central role in several emerging physical phenomena such as…
Topological band inversion in HgTe(001): surface and bulk signatures from photoemission
Raphael C. Vidal, Giovanni Marini, Lukas Lunczer +14
HgTe is a versatile topological material and has enabled the realization of a variety of topological states, including two- and three-dimensional (3D) topological insulators and to…
Tunable van Hove singularity without structural instability in Kagome metal CsTiBi
Bo Liu, Minquan Kuang, Yang Luo +12
In Kagome metal CsVSb, multiple intertwined orders are accompanied by both electronic and structural instabilities. These exotic orders have attracted much recent attention…
Electronic band structure changes across the antiferromagnetic phase transition of exfoliated MnPS probed by -ARPES
Jeff Strasdas, Benjamin Pestka, Milosz Rybak +17
Exfoliated magnetic 2D materials enable versatile tuning of magnetization, e.g., by gating or providing proximity-induced exchange interaction. However, their electronic band struc…
Visualization of Strain-Induced Landau Levels in a Graphene - Black Phosphorus Heterostructure
Thi-Hai-Yen Vu, Pin Lyu, Na Hyun Jo +8
Strain-induced pseudo magnetic fields offer the possibility of realizing zero magnetic field Quantum Hall effect in graphene, possibly up to room temperature, representing a promis…
Direct visualization and control of SrOx segregation on semiconducting Nb doped SrTiO3 (100) surface
Hyang Keun Yoo, Daniel Schwarz, Soren Ulstrup +6
We investigated how SrOx segregates on a Nb doped SrTiO3 (100) surface by in air annealing. Using atomic force and photoemission electron microscopes, we can directly visualize the…
Intertwined magnetism and charge density wave order in kagome FeGe
Xiaokun Teng, Ji Seop Oh, Hengxin Tan +15
Electron correlations often lead to emergent orders in quantum materials. Kagome lattice materials are emerging as an exciting platform for realizing quantum topology in the presen…
Strongly correlated itinerant magnetism on the boundary of superconductivity in a magnetic transition metal dichalcogenide
Nikola Maksimovic, Ryan Day, Na-Hyun Jo +8
Metallic ferromagnets with strongly interacting electrons often exhibit remarkable electronic phases such as ferromagnetic superconductivity, complex spin textures, and nontrivial…
Weyl nodal ring states and Landau quantization with very large magnetoresistance in square-net magnet EuGa
Shiming Lei, Kevin Allen, Jianwei Huang +17
Magnetic topological semimetals (TSMs) allow for an effective control of the topological electronic states by tuning the spin configuration, and therefore are promising materials f…
Spectral Evidence for Unidirectional Charge Density Wave in Detwinned BaNiAs
Yucheng Guo, Mason Klemm, Ji Seop Oh +16
The emergence of unconventional superconductivity in proximity to intertwined electronic orders is especially relevant in the case of iron-based superconductors. Such order consist…
Discovery of charge density wave in a correlated kagome lattice antiferromagnet
Xiaokun Teng, Lebing Chen, Feng Ye +18
A hallmark of strongly correlated quantum materials is the rich phase diagram resulting from competing and intertwined phases with nearly degenerate ground state energies. A well-k…
Magnetization-direction-tunable kagome Weyl line
Zi-Jia Cheng, Ilya Belopolski, Tyler A. Cochran +21
Kagome magnets provide a fascinating platform for a plethora of topological quantum phenomena. Here, utilizing angle-resolved photoemission spectroscopy, we demonstrate Weyl lines…
Robust Kagome Electronic Structure in Topological Quantum Magnets XMn6Sn6 (X = Dy, Tb, Gd, Y)
X. Gu, C. Chen, W. S. Wei +24
Crystal geometry can greatly influence the emergent properties of quantum materials. As an example, the kagome lattice is an ideal platform to study the rich interplay between topo…
Role of electron-phonon coupling in excitonic insulator candidate Ta2NiSe5
Cheng Chen, Xiang Chen, Weichen Tang +15
Electron-hole bound pairs, or excitons, are common excitations in semiconductors. They can spontaneously form and ``condense'' into a new insulating ground state -- the so-called e…
Charge order landscape and competition with superconductivity in kagome metals
Mingu Kang, Shiang Fang, Jonggyu Yoo +13
In kagome metals AV3Sb5 (A = K, Rb, Cs), three-dimensional charge order (3D-CO) is the primary instability that sets the stage for other collective orders to emerge, including unid…