https://doi.org/10.1140/epjb/s10051-023-00606-y
Regular Article – Mesoscopic and Nanoscale Systems
Enhanced and tunable Faraday effects in borophene metasurface bilayers
Department of Physics and Electronic Information Engineering, Minjiang University, 350108, Fuzhou, China
Received:
13
July
2023
Accepted:
9
October
2023
Published online:
26
October
2023
The Faraday rotation (FR) effect for transverse-magnetic (p)-polarized wave in the borophene metasurface bilayers (BMB) is studied theoretically. Under the influence of the multiple interference mechanism for the bilayer structure, it is found that there exists large FR angle in the BMB near the topological transition (TPT) point for borophene metasurface, which is caused by the proximity of the amplitude values of the co-polarized transmission coefficient 
and cross-polarized transmission coefficient 
to each other. It is demonstrated that in BMB, there exists the ultrahigh sensitivity of the FR angle to spacer refractive index.
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