Topological kagome magnets and superconductors

JX Yin, B Lian, MZ Hasan - Nature, 2022 - nature.com
A kagome lattice naturally features Dirac fermions, flat bands and van Hove singularities in
its electronic structure. The Dirac fermions encode topology, flat bands favour correlated …

Probing topological quantum matter with scanning tunnelling microscopy

JX Yin, SH Pan, M Zahid Hasan - Nature Reviews Physics, 2021 - nature.com
The search for topological phases of matter is evolving towards strongly interacting systems,
including magnets and superconductors, where exotic effects emerge from the quantum …

Roton pair density wave in a strong-coupling kagome superconductor

H Chen, H Yang, B Hu, Z Zhao, J Yuan, Y **ng, G Qian… - Nature, 2021 - nature.com
The transition metal kagome lattice materials host frustrated, correlated and topological
quantum states of matter,,,,,,,–. Recently, a new family of vanadium-based kagome metals …

Three-Dimensional Charge Density Wave and Surface-Dependent Vortex-Core States in a Kagome Superconductor

Z Liang, X Hou, F Zhang, W Ma, P Wu, Z Zhang, F Yu… - Physical Review X, 2021 - APS
The transition-metal-based kagome metals provide a versatile platform for correlated
topological phases hosting various electronic instabilities. While superconductivity is rare in …

Unconventional chiral charge order in kagome superconductor KV3Sb5

YX Jiang, JX Yin, MM Denner, N Shumiya, BR Ortiz… - Nature materials, 2021 - nature.com
Intertwining quantum order and non-trivial topology is at the frontier of condensed matter
physics,,–. A charge-density-wave-like order with orbital currents has been proposed for …

Intrinsic nature of chiral charge order in the kagome superconductor

N Shumiya, MS Hossain, JX Yin, YX Jiang, BR Ortiz… - Physical Review B, 2021 - APS
Superconductors with kagome lattices have been identified for over 40 years, with a
superconducting transition temperature T c up to 7 K. Recently, certain kagome …

Discovery of charge order and corresponding edge state in kagome magnet FeGe

JX Yin, YX Jiang, X Teng, MS Hossain, S Mardanya… - Physical review …, 2022 - APS
Kagome materials often host exotic quantum phases, including spin liquids, Chern gap,
charge density wave, and superconductivity. Existing scanning microscopy studies of the …

Flat bands, non-trivial band topology and rotation symmetry breaking in layered kagome-lattice RbTi3Bi5

Z Jiang, Z Liu, H Ma, W **a, Z Liu, J Liu, S Cho… - Nature …, 2023 - nature.com
A representative class of kagome materials, AV3Sb5 (A= K, Rb, Cs), hosts several
unconventional phases such as superconductivity, Z 2 non-trivial topological states, and …

Nondestructive photopatterning of heavy‐metal‐free quantum dots

J Yang, M Lee, SY Park, M Park, J Kim… - Advanced …, 2022 - Wiley Online Library
Electroluminescence from quantum dots (QDs) is a suitable photon source for futuristic
displays offering hyper‐realistic images with free‐form factors. Accordingly, a nondestructive …

Electronic nature of chiral charge order in the kagome superconductor

Z Wang, YX Jiang, JX Yin, Y Li, GY Wang, HL Huang… - Physical Review B, 2021 - APS
Kagome superconductors with TC up to 7 K have been discovered for over 40 y. Recently,
unconventional chiral charge order has been reported in kagome superconductor KV 3 Sb …