535 citations · 1.5k across the 21 of their papers we have counts for
21 papers
Nanoscale strain manipulation of smectic susceptibility in kagome superconductors
Yidi Wang, Hong Li, Siyu Cheng +6
Exotic quantum solids can host electronic states that spontaneously break rotational symmetry of the electronic structure, such as electronic nematic phases and unidirectional char…
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…
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…
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…
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…
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…
Imaging antiferromagnetic domain fluctuations and the effect of atomic-scale disorder in a doped spin-orbit Mott insulator
He Zhao, Zach Porter, Xiang Chen +3
Correlated oxides can exhibit complex magnetic patterns, characterized by domains with vastly different size, shape and magnetic moment spanning the material. Understanding how mag…
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…
Bulk superconductivity in FeTeSe via physicochemical pumping of excess iron
Lianyang Dong, He Zhao, Ilija Zeljkovic +2
The iron-based superconductor FeTeSe has attracted considerable attention as a candidate topological superconductor owing to a unique combination of topological surfa…
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…
A Cleanroom in a Glovebox
Mason J. Gray, Narendra Kumar, Ryan O'Connor +18
The exploration of new materials, novel quantum phases, and devices requires ways to prepare cleaner samples with smaller feature sizes. Initially, this meant the use of a cleanroo…
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…
Atomic-scale fragmentation and collapse of antiferromagnetic order in a doped Mott insulator
He Zhao, Sujit Manna, Zach Porter +6
Disentangling the relationship between the insulating state with a charge gap and the magnetic order in an antiferromagnetic (AF) Mott insulator remains difficult due to inherent p…
Proximity-Induced Superconductivity in a Topological Crystalline Insulator
Bryan Rachmilowitz, He Zhao, Hong Li +5
Superconducting topological crystalline insulators (TCI) are predicted to host new topological phases protected by crystalline symmetries, but available materials are insufficientl…
Charge-Stripe Crystal Phase in an Insulating Cuprate
He Zhao, Zheng Ren, Bryan Rachmilowitz +5
High-Tc superconductivity in cuprates is generally believed to arise from carrier doping an antiferromagnetic Mott (AFM) insulator. Theoretical proposals and emerging experimental…
Atomic-Scale Strain Manipulation of a Charge Density Wave
Shang Gao, Felix Flicker, Raman Sankar +9
A charge density wave (CDW) is one of the fundamental instabilities of the Fermi surface occurring in a wide range of quantum materials. In dimensions higher than one, where Fermi…
Superconducting proximity effect in a topological insulator using Fe(Te,Se)
He Zhao, Bryan Rachmilowitz, Zheng Ren +6
Interest in the superconducting proximity effect has recently been reignited by theoretical predictions that it could be used to achieve topological superconductivity. Low-T…
Sn-doped Bi1.1Sb0.9Te2S, a bulk topological insulator with ideal properties
S. K. Kushwaha, I. Pletikosić, T. Liang +11
A long-standing issue in topological insulator research has been to find a material that provides an ideal platform for characterizing topological surface states without interferen…