535 citations · 1.3k across the 18 of their papers we have counts for
18 papers
Nanoscale visualization of the thermally-driven evolution of antiferromagnetic domains in FeTe thin films
Shrinkhala Sharma, Hong Li, Zheng Ren +2
Antiferromagnetic order, being a ground state of a number of exotic quantum materials, is of immense interest both from the fundamental physics perspective and for driving potentia…
Small Fermi pockets intertwined with charge stripes and pair density wave order in a kagome superconductor
Hong Li, Dongjin Oh, Mingu Kang +13
The kagome superconductor family AV3Sb5 (A=Cs, K, Rb) emerged as an exciting platform to study exotic Fermi surface instabilities. Here we use spectroscopic-imaging scanning tunnel…
Nanoscale visualization and spectral fingerprints of the charge order in ScV6Sn6 distinct from other kagome metals
Siyu Cheng, Zheng Ren, Hong Li +23
Charge density waves (CDWs) have been tied to a number of unusual phenomena in kagome metals, including rotation symmetry breaking, time-reversal symmetry breaking and superconduct…
YbVSb and EuVSb, vanadium-based kagome metals with Yb and Eu zig-zag chains
Brenden R. Ortiz, Ganesh Pokharel, Malia Gundayao +14
Here we present YbVSb and EuVSb, two new compounds exhibiting slightly distorted vanadium-based kagome nets interleaved with zig-zag chains of divalent Yb an…
Rotation of the dislocation grid in multilayer FeSe films and visualization of electronic nematic domains via orbital-selective tunneling
Zheng Ren, Hong Li, He Zhao +2
Understanding the interplay of structural and electronic symmetry breaking in Fe-based high temperature superconductors remains of high interest. In this work we grow strain-patter…
Electronic nematicity without charge density waves in titanium-based kagome metal
Hong Li, Siyu Cheng, Brenden R. Ortiz +8
Layered crystalline materials that consist of transition metal atoms on a kagome network have emerged as a versatile platform to study unusual electronic phenomena. For example, in…
Incommensurate charge-stripe correlations in the kagome superconductor CsVSbSn
Linus Kautzsch, Yuzki M. Oey, Hong Li +7
We track the evolution of charge correlations in the kagome superconductor CsVSb as its parent, long-ranged charge density order is destabilized. Upon hole-doping doping, i…
Manipulation of Dirac band curvature and momentum-dependent g-factor in a kagome magnet YMn6Sn6
Hong Li, He Zhao, Kun Jiang +7
The Zeeman effect describes the energy change of an atomic quantum state in magnetic field. The magnitude and the direction of this change depend on the dimensionless Lande g-facto…
Competing emergent Potts orders and possible nematic spin liquids in the Kagome Heisenberg model
Hong Li, Tao Li
The extreme frustration in the Kagome antiferromagnet makes it possible to realize a large number of closely competing magnetic phases either at the classical or the quantum level.…
Unidirectional coherent quasiparticles in the high-temperature rotational symmetry broken phase of AV3Sb5 kagome superconductors
Hong Li, He Zhao, Brenden Ortiz +4
Kagome metals AV3Sb5 (where the A can stand for K, Cs, or Rb) display a rich phase diagram of correlated electron states, including superconductivity and density waves. Within this…
Spin-polarized imaging of the antiferromagnetic structure and field-tunable bound states in kagome magnet FeSn
Hong Li, He Zhao, Qiangwei Yin +6
Kagome metals are as an exciting playground for the explorations of novel phenomena at the intersection of topology, electron correlations and magnetism. The family of FeSn-based k…
Plethora of tunable Weyl fermions in kagome magnet Fe3Sn2 thin films
Zheng Ren, Hong Li, Shrinkhala Sharma +9
Interplay of magnetism and electronic band topology in unconventional magnets enables the creation and fine control of novel electronic phenomena. In this work, we use scanning tun…
Growth, characterization and Chern insulator state in MnBiTe via the chemical vapor transport method
Chaowei Hu, Anyuan Gao, Bryan Stephen Berggren +7
As the first intrinsic antiferromagnetic topological insulator, MnBiTe has provided a platform to investigate the interplay of band topology and magnetism as well as the em…
Visualizing nematic transition and nanoscale suppression of superconductivity in Fe(Te,Se)
He Zhao, Hong Li, Lianyang Dong +9
The interplay of different electronic phases underlies the physics of unconventional superconductors. One of the most intriguing examples is a high-Tc superconductor FeTe1-xSex: it…
Rotation symmetry breaking in the normal state of a kagome superconductor KV3Sb5
Hong Li, He Zhao, Brenden R. Ortiz +6
Recently discovered kagome superconductors AV3Sb5 (A=K, Rb, Cs) provide a fresh opportunity to realize and study correlation-driven electronic phenomena on a kagome lattice. The ob…
Cascade of correlated electron states in a kagome superconductor CsV3Sb5
He Zhao, Hong Li, Brenden R. Ortiz +7
The kagome lattice of transition metal atoms provides an exciting platform to study electronic correlations in the presence of geometric frustration and nontrivial band topology, w…
Nanoscale decoupling of electronic nematicity and structural anisotropy in FeSe thin films
Zheng Ren, Hong Li, He Zhao +3
In a material prone to a nematic instability, anisotropic strain in principle provides a preferred symmetry-breaking direction for the electronic nematic state to follow. This is c…
Coulomb Blockade Effects in a Topological Insulator Grown on a High-Tc Cuprate Superconductor
Bryan Rachmilowitz, He Zhao, Zheng Ren +9
The evidence for proximity-induced superconductivity in heterostructures of topological insulators and high-Tc cuprates has been intensely debated. We use molecular beam epitaxy to…