Quasi-1D α-Bi4Br4 Nanoribbons

Controllable thickness and edge states

High-quality quasi-1D α-Bi4Br4 nanoribbons epitaxially grown on superconducting NbSe2, with edge-state absorption evidence providing an ideal platform for topological quantum devices.

Shiqi, Xu · Li, Yongkai · Zhang, Xu · Chunpan, Zhang · Yina, Dong · Jiangyue, Bai · Haizhen, Gao · Nan, Cheng · Chishumeng, Zhao · Zhao, Liyuan · Han, Jun Feng

Materials Today Physics 2025

Specifications

below bulk bandgap

{'zh': '约250', 'en': '~250'} meV

Advantages

Controllable thickness

High crystallinity and uniform distribution

Grown by molecular beam epitaxy