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Nanoscale magnetic domains in polycrystalline Mn3Sn films imaged by a scanning single-spin magnetometer
Senlei Li, Mengqi Huang, Hanyi Lu +7
Noncollinear antiferromagnets with novel magnetic orders, vanishingly small net magnetization and exotic spin related properties hold enormous promise for developing next-generatio…
Quantum sensing and imaging of spin-orbit-torque-driven spin dynamics in noncollinear antiferromagnet Mn3Sn
Gerald Q. Yan, Senlei Li, Hanyi Lu +8
Novel noncollinear antiferromagnets with spontaneous time-reversal symmetry breaking, nontrivial band topology, and unconventional transport properties have received immense resear…
Large Anomalous Hall Effect in Topological Insulators Proximitized by Collinear Antiferromagnets
Chao Lei, Hua Chen, Allan H. MacDonald
CrSb is an attractive material for room-temperature antiferromagnetic spintronic applications because of its high Néel temperature 700 K and semi-metallic character. We study…
Finite-thickness effect and spin polarization of the even-denominator fractional quantum Hall states
Pengjie Wang, Jian Sun, Hailong Fu +6
The spin-polarized even-denominator fractional quantum Hall (FQH) states in the second Landau level (LL), i.e. 5/2 and 7/2, may possess novel quasi-particle excitations obeying non…
Quantum Anomalous Hall Effect through Canted Antiferromagnetism
Xiao Li, Allan H. MacDonald, Hua Chen
Most canted antiferromagnets are also anomalous Hall antiferromagnets (AHE AFMs), i.e. they have an anomalous Hall response and other responses with the same symmetry requirements.…
Emergent flat band lattices in spatially periodic magnetic fields
M. Tahir, Olivier Pinaud, Hua Chen
Motivated by the recent discovery of Mott insulating phase and unconventional superconductivity due to the flat bands in twisted bilayer graphene, we propose more generic ways of g…