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Weak Ferromagnetism in Altermagnets from Alternating -Tensor Anisotropy
Daegeun Jo, Dongwook Go, Yuriy Mokrousov +3
Altermagnets are magnetic materials with antiferromagnetic spin ordering but exhibit ferromagnetic properties. Understanding the microscopic origin of the latter is a central probl…
Harnessing magnetic octupole Hall effect to induce torque in altermagnets
Seungyun Han, Daegeun Jo, Insu Baek +2
d-wave altermagnets have magnetic octupoles as their order parameters [Phys. Rev. X 14, 011019 (2024)]. We theoretically show that magnetic octupoles injected from outside generate…
Direct observation of nanometer-scale orbital angular momentum accumulation
Juan Carlos Idrobo, Ján Rusz, Gopal Datt +6
Conversion of charge to orbital angular momentum through the orbital Hall effect (OHE) holds transformative potential for the development of orbital-based electronics, however, it…