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Conditions for Altermagnetism in RuO2
Himanshu Mavani, Zhonglin He, Evgeny Y. Tsymbal
The magnetic ground state of rutile RuO2 remains disputed, raising a central question: under what structural and chemical conditions can this material support altermagnetism? We ad…
Purely Electric-Field Control of Topological Magnetism in Two-Dimensional Magnets
Zhonglin He, Naafis Ahnaf Shahed, Kai Huang +2
Electrical control of topological magnetism is central to realizing energy-efficient topological spintronics. Yet most electric-field approaches modify the competing magnetic inter…
Effects of Band Symmetry on Spin-Dependent Transport in Noncollinear Antiferromagnetic Tunnel Junctions
Mohamed Elekhtiar, Ding-Fu Shao, Evgeny Y. Tsymbal
Antiferromagnetic tunnel junctions (AFMTJs) can exhibit large tunneling magnetoresistance (TMR), making them promising candidates for ultrafast and field-robust spintronic devices.…
Termination-Preserved Ultra-high Tunneling Magnetoresistance in Altermagnetic KV2Se2O
Junnan Guo, Himanshu Mavani, Wenhui Fang +6
Altermagnets exhibit nonrelativistic spin splitting without net magnetization, establishing a new platform for next-generation spintronic devices. Although altermagnetic tunnel jun…
Exchange Frustration and Topological Magnetism in Electrostatically Doped SrRuO3
Naafis Ahnaf Shahed, Himanshu Mavani, Zhonglin He +3
Magnetism in transition-metal systems emerges from exchange interactions that depend sensitively on carrier density. Yet leveraging this sensitivity to deliberately engineer exchan…
Magnetoelastic Transport-Path Reconstruction and Giant Magnetotransport Responses in a Two-Dimensional Antiferromagnet
Liu Yang, Ming Li, Shui-Sen Zhang +8
Nonvolatile magnetotransport responses in a single magnetic material have generally not been expected to exhibit a large ON/OFF ratio, because they are usually tied to spin-orbit c…