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Spin fluctuations in quantized transport of magnetic topological insulators
Yu-Hang Li, Ran Cheng
In magnetic topological insulators, quantized electronic transport is interwined with spontaneous magnetic ordering, as magnetization controls band gaps, hence band topology, throu…
Magnonic Su-Schrieffer-Heeger Model in Honeycomb Ferromagnets
Yu-Hang Li, Ran Cheng
Topological electronics has extended its richness to non-electronic systems where phonons and magnons can play the role of electrons. In particular, topological phases of magnons c…
Magnon Thermal Edelstein Effect Detected by Inverse Spin Hall Effect
Hantao Zhang, Ran Cheng
In an easy-plane antiferromagnet with the Dzyaloshinskii-Moriya interaction (DMI), magnons are subject to an effective spin-momentum locking. An in-plane temperature gradient can g…
Current-induced CrI3 surface spin-flop transition probed by proximity magnetoresistance in Pt
Tang Su, Mark Lohmann, Junxue Li +9
By exploiting proximity coupling, we probe the spin state of the surface layers of CrI3, a van der Waals magnetic semiconductor, by measuring the induced magnetoresistance (MR) of…
Subterahertz spin pumping from an insulating antiferromagnet
Priyanka Vaidya, Sophie A. Morley, Johan van Tol +5
Spin-transfer torque and spin Hall effects combined with their reciprocal phenomena, spin-pumping and inverse spin Hall (ISHE) effects, enable the reading and control of magnetic m…
Moiré magnons in twisted bilayer magnets with collinear order
Yu-Hang Li, Ran Cheng
We explore the moiré magnon bands in twisted bilayer magnets with next-nearest neighboring Dzyaloshinskii-Moriya interactions, assuming that the out-of-plane collinear magnetic ord…