Dirac plasmons and beyond: The past, present, and future of plasmonics in 3D topological insulators

T. Ginley, Y. Wang, Z. Wang, S. Law

Research output: Contribution to journalReview articlepeer-review

21 Scopus citations

Abstract

We review progress studying unique plasmonics in topological insulators (TIs). First, we describe exfoliation and deposition synthesis approaches. TI materials have substantially improved: it is now possible to grow samples with few trivial electrons and controllable doping. We then describe the theory behind the unique behavior of the coupled, 2D Dirac plasmons. While reviewing experimental efforts, we note that Dirac plasmons have been conclusively demonstrated in TIs and they show remarkable properties including long lifetimes, large mode indices, and huge modulation depths. Finally, we describe the opportunities that are present now that high-quality materials can be obtained, including spin and nanoparticle plasmons.

Original languageEnglish (US)
Pages (from-to)782-794
Number of pages13
JournalMRS Communications
Volume8
Issue number3
DOIs
StatePublished - Sep 1 2018

All Science Journal Classification (ASJC) codes

  • General Materials Science

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