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33 papers · 1 filter
Perspective: imaging atomic step geometry to determine surface terminations of kagome materials and beyond
Guowei Liu, Tianyu Yang, Yu-Xiao Jiang +4
Here we review scanning tunneling microscopy research on the surface determination for various types of kagome materials, including 11-type (CoSn, FeSn, FeGe), 32-type (Fe3Sn2), 13…
Emergent Edge Modes in Shifted Quasi-One-Dimensional Charge Density Waves
Song-Bo Zhang, Xiaoxiong Liu, Md Shafayat Hossain +3
We propose and study a two-dimensional (2D) phase of shifted charge density waves (CDW), which is constructed from an array of weakly coupled 1D CDW wires whose phases shift from o…
Electrically tunable moiré magnetism in twisted double bilayers of chromium triiodide
Guanghui Cheng, Mohammad Mushfiqur Rahman, Andres Llacsahuanga Allcca +10
Moiré superlattices in van der Waals structures can be used to control the electronic properties of the material and lead to emergent correlated and topological phenomena. Its firs…
Emergence of electric-field-tunable interfacial ferromagnetism in 2D antiferromagnet heterostructures
Guanghui Cheng, Mohammad Mushfiqur Rahman, Zhiping He +12
Van der Waals (vdW) magnet heterostructures have emerged as new platforms to explore exotic magnetic orders and quantum phenomena. Here, we study heterostructures of layered antife…
Antiferromagnetic VdW Phase at the Interface of Sputtered Topological Insulator/Ferromagnet-Bi2Te3/Ni80Fe20 Heterostructures
Nirjhar Bhattacharjee, Krishnamurthy Mahalingam, Adrian Fedorko +11
Magnetic ordering in topological insulators (TI) is crucial for breaking time-reversal symmetry (TRS) and thereby opening a gap in the topological surface states (TSSs) [1-6], whic…
Time-reversal symmetry-breaking charge order in a kagome superconductor
C. Mielke, D. Das, J. -X. Yin +17
The kagome lattice, the most prominent structural motif in quantum physics, benefits from inherent nontrivial geometry to host diverse quantum phases, ranging from spin-liquid phas…