Broadband Transverse Electric Surface Wave in Silicene
M. Shoufie Ukhtary, Ahmad R. T. Nugraha, Eddwi H. Hasdeo, Riichiro, Saito
TL;DR
This paper theoretically investigates TE surface waves in silicene, revealing it supports broader frequency ranges and better confinement than graphene, even without doping, due to its buckled structure.
Contribution
It demonstrates that silicene can support TE surface waves with superior characteristics compared to graphene, expanding potential applications in 2D material-based surface wave devices.
Findings
Silicene supports TE surface waves with broader frequency range.
TE surface waves in silicene exhibit stronger confinement.
Undoped silicene can support TE surface waves.
Abstract
Transverse electric (TE) surface wave in silicine is theoretically investigated. The TE surface wave in silicene is found to exhibit better characteristics compared with that in graphene, in terms of a broader frequency range and more confinement to the surface which originate from the buckled structure of silicene. We found that even undoped silicene can support the TE surface wave. We expect to obtain the similar characteristics of the TE surface wave in other two-dimensional materials that have slightly buckled honeycomb lattice.
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