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Quantifying Spin-Orbit Torques in Antiferromagnet/Heavy Metal Heterostructures
Egecan Cogulu, Hantao Zhang, Nahuel N. Statuto +4
The effect of spin currents on the magnetic order of insulating antiferromagnets (AFMs) is of fundamental interest and can enable new applications. Toward this goal, characterizing…
Theory of Harmonic Hall Responses of Spin-Torque Driven Antiferromagnets
Hantao Zhang, Ran Cheng
Harmonic analysis is a powerful tool to characterize and quantify current-induced torques acting on magnetic materials, but so far it remains an open question in studying antiferro…
Identifying Axion Insulator by Quantized Magnetoelectric Effect in Antiferromagnetic Tunnel Junction
Yu-Hang Li, Ran Cheng
Intrinsic magnetic topological insulator is believed to be an axion insulator in its antiferromagnetic ground state. However, direct identifi…
Manipulating Ferrimagnets by Fields and Currents
Mingda Guo, Hantao Zhang, Ran Cheng
Ferrimagnets (FIMs) can function as high-frequency antiferromagnets while being easy to detect as ferromagnets, offering unique opportunities for ultrafast device applications. Whi…
Spin Pumping of an Easy-Plane Antiferromagnet Enhanced by Dzyaloshinskii-Moriya Interaction
Hailong Wang, Yuxuan Xiao, Mingda Guo +4
Recently, antiferromagnets have received revived interest due to their significant potential for developing next-generation ultrafast magnetic storage. Here we report dc spin pumpi…
Spin Nernst Effect of Antiferromagnetic Magnons in the Presence of Spin Diffusion
Hantao Zhang, Ran Cheng
Magnon spin Nernst effect was recently proposed as an intrinsic effect in antiferromagnets, where spin diffusion and boundary spin transmission have been ignored. However, diffusio…