Janus MoSeS/CrBr₃ Heterostructure

Polarization-Field Enhanced Magnetoelectric Coupling

Built-in polarization field tunes interfacial orbital hybridization and spin-charge transport, enabling ultrafast selective spin tunneling and enhanced valley polarization.

Liu, Mengyu · Chen, Zilong · Wang, Hao · Zheng, Xuanli · Cao, Yiyan · Xu, Feiya · Kong, Lijing · Zhang, Chunmiao · Xu, Li · Wu, Yaping · Wu, Zhiming · Kang, Junyong

ACS Nano 2026

Advantages

Boosted valley polarization

The polarization field enhances interfacial orbital hybridization, markedly boosting valley polarization in MoSeS.

Ultrafast spin-selective transport

Ultrafast selective spin-charge tunneling is achieved, aiding efficient spin injection.

Applications

• Spintronic devices：Polarization field tunes spin transport for efficient spin injection and manipulation.
• Valleytronic devices：Enhanced valley polarization aids in designing advanced valleytronic devices.