期刊
MRS COMMUNICATIONS
卷 8, 期 3, 页码 782-794出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrc.2018.173
关键词
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资金
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE- SC0016380, DE- SC0017801]
- U.S. Department of Energy (DOE) [DE-SC0017801] Funding Source: U.S. Department of Energy (DOE)
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.
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