8 papers · 1 filter
Symmetry-Enforced Ferroelectric Switching of Two-Dimensional Altermagnetism
Jiangyu Zhao, Yibo Liu, Guoli Wu +4
Altermagnetism features strong momentum-dependent spin splitting despite zero net magnetization, offering a transformative platform for next-generation spintronics. However, the no…
Floquet-Engineered Odd-Parity Altermagnetic Higher-Order Topology in a Two-Dimensional Antiferromagnet CrCH
Xiaorong Zou, Hyeon Suk Shin, Baibiao Huang +5
Periodic driving provides a platform to dynamically tailor quantum states of matter, yet its impact on symmetry-protected topological phases remains incompletely understood. Here,…
Second-order topology in two-dimensional azulenoid kekulene carbon lattices
Xiaorong Zou, Hyeon Suk Shin, Chang-Jong Kang +5
The discovery of higher-order topological insulator (HOTI) has established a new paradigm for understanding symmetry-constrained boundary electronic states. Here, based on first-pr…
Symmetry-dictated switching of antiferromagnetic magnon transport in 2D multiferroics
Yibo Liu, Jiale Wang, Jiexiang Wang +4
While antiferromagnetic magnons in two-dimensional (2D) materials hold immense promise for high-frequency spintronics, achieving their efficient active control remains a critical c…
Symmetry-Driven Electrical Switching of Anisotropic Skyrmion Hall Effect in Altermagnets
Wenhui Du, Kaiying Dou, Ying Dai +3
Controlling the skyrmion Hall effect (SkHE) is pivotal for developing topological spintronics but typically relies on magnetic field reversal. Here, we demonstrate a general strate…
Moire Topological Magnetism Twist-Engineered from 2D Spin Spirals
Zhonglin He, Kaiying Dou, Wenhui Du +3
Topological magnetism, characterized by topologically protected spin textures, offers rich physics and transformative prospects for spintronics. However, its stabilization typicall…
Ordering Mixed-Q Topological Magnetism into Lattice via Moire Engineering
Xiudong Wang, Zhonglin He, Kaiying Dou +3
Topological magnetic lattices offer a fertile ground for exploring fundamental physics and developing novel spintronic devices. However, current research is predominantly confined…
Magnonic Quantum Spin Hall Effect with Chiral Magnon Transport in Bilayer Altermagnets
Bo Yuan, Yingxi Bai, Ying Dai +2
Altermagnetism has attracted considerable interest, yet its associated spintronic phenomena have so far been largely confined to electronic systems. In this work, we uncover a univ…