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Symmetry breaking and ascending in the magnetic kagome metal FeGe
Shangfei Wu, Mason Klemm, Jay Shah +12
Spontaneous symmetry breaking-the phenomenon where an infinitesimal perturbation can cause the system to break the underlying symmetry-is a cornerstone concept in the understanding…
Disorder-induced excitation continuum in a spin-1/2 cobaltate on a triangular lattice
Bin Gao, Tong Chen, Chien-Lung Huang +12
A spin-1/2 triangular-lattice antiferromagnet is a prototypical frustrated quantum magnet, which exhibits remarkable quantum many-body effects that arise from the synergy between g…
Competing itinerant and local spin interactions in kagome metal FeGe
Lebing Chen, Xiaokun Teng, Hengxin Tan +9
Two-dimensional kagome metals consisting of corner-sharing triangles offer a unique platform for studying strong electron correlations and band topology due to its geometrically fr…
Reversible Non-Volatile Electronic Switching in a Near Room Temperature van der Waals Ferromagnet
Han Wu, Lei Chen, Paul Malinowski +37
The ability to reversibly toggle between two distinct states in a non-volatile method is important for information storage applications. Such devices have been realized for phase-c…
Spectral Evidence for Local-Moment Ferromagnetism in van der Waals Metals FeGaTe and FeGeTe
Han Wu, Chaowei Hu, Yaofeng Xie +26
Magnetism in two-dimensional (2D) materials has attracted considerable attention recently for both fundamental understanding of magnetism and their tunability towards device applic…
Observation of Flat Bands and Dirac Cones in a Pyrochlore Lattice Superconductor
Jianwei Huang, Chandan Setty, Liangzi Deng +21
Emergent phases often appear when the electronic kinetic energy is comparable to the Coulomb interactions. One approach to seek material systems as hosts of such emergent phases is…
Diffusive Excitonic Bands from Frustrated Triangular Sublattice in a Singlet-Ground-State System
Bin Gao, Tong Chen, Xiao-Chuan Wu +17
Magnetic order in most materials occurs when magnetic ions with finite moments in a crystalline lattice arrange in a particular pattern below the ordering temperature determined by…
Evidence for gapless quantum spin liquid in a honeycomb lattice
Chengpeng Tu, Dongzhe Dai, Xu Zhang +6
One main theme in current condensed matter physics is the search of quantum spin liquid (QSL), an exotic magnetic state with strongly-fluctuating and highly-entangled spins down to…