10 papers
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…
Design of Skyrmion Bags with Tunable Topology in Symmetry-Broken 2D Lattices
Junhuang Yang, Kaiying Dou, Ying Dai +2
Magnetic skyrmion bags, as high-order topological swirling spin textures, offer rich fundamental physics and distinct advantages for spintronic applications; however, their realiza…