Plasmonics in Topological Insulators | Zendy

Yi-Ping Lai | Zendy; I-Tan Lin | Zendy; Kuang-Hsiung Wu | Zendy; JiaMing Liu | Zendy

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Plasmonics in Topological Insulators

Author(s) -

Yi-Ping Lai,

I-Tan Lin,

Kuang-Hsiung Wu,

JiaMing Liu

Publication year - 2014

Publication title -

nanomaterials and nanotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.412

H-Index - 21

ISSN - 1847-9804

DOI - 10.5772/58558

Subject(s) - topological insulator , terahertz radiation , plasmon , condensed matter physics , surface states , surface plasmon , dirac (video compression format) , materials science , excitation , physics , band gap , optoelectronics , surface (topology) , quantum mechanics , geometry , mathematics , neutrino

With strong spin-orbit coupling, topological insulators have an insulating bulk state, characterized by a band gap, and a conducting surface state, characterized by a Dirac cone. Plasmons in topological insulators show high frequency-tunability in the mid-infrared and terahertz spectral regions with transverse spin oscillations, also called “spin-plasmons”. This paper presents a discussion and review of the developments in this field from the fundamental theory of plasmons in bulk, thin-film, and surface-magnetized topological insulators to the techniques of plasmon excitation and future applications

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