Single-electron induced surface plasmons on a topological nanoparticle

The surface states in topological insulators are delocalised and immune to imperfections. Here, the authors show that single electrons in topologically protected surface states on a nanoparticle can create a surface charge layer that screens the particle, mediating interaction between bulk phonons a...

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Autores principales: G. Siroki, D.K.K. Lee, P. D. Haynes, V. Giannini
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2016
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Acceso en línea:https://doaj.org/article/0151dba1ef05458db18b86492a53d25a
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Sumario:The surface states in topological insulators are delocalised and immune to imperfections. Here, the authors show that single electrons in topologically protected surface states on a nanoparticle can create a surface charge layer that screens the particle, mediating interaction between bulk phonons and light, giving an additional absorption peak.