Author

Zhi-Qi Chen

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Sep 2026

Tunable Chirality of Floquet Quantum Anomalous Hall Effect in an Altermagnetic Fe2Te2O Monolayer.

Altermagnetism is a newly identified magnetic phase, constituting a third class of magnets with momentum-dependent spin splitting but vanishing net magnetic moment. Here, unlike the widely considered circularly polarized light that yields a normal insulating phase, we put forward that Floquet engineering under elliptic...

Ze-Qun Zhang, Zhi-Qi Chen, Bai-Biao Huang et al. · Nano letters (Print) · 0 citations

Oct 2026

Ferroelectric Control of Layer-Resolved Spin and Orbital Transport in a Topological Heterobilayer.

Ferroelectric switching in van der Waals heterostructures provides a powerful route to reconfiguring quantum states and their associated transport responses. Here, we propose a ferroelectric topological heterobilayer in which the stepwise reversal of polarization in the two monolayers enables selective control of spin...

Zhi-Qi Chen, Bo Yuan, Ying Dai et al. · Nano letters (Print) · 0 citations