Surface Kondo effect and non-trivial metallic state of the Kondo insulator YbB12

Surface Kondo effect and non-trivial metallic state of the Kondo insulator YbB12

Topological state in Kondo insulators has been provoked in SmB6, but the origin of surface states and topological order remain elusive. Here, Hagiwara et al. report temperature dependent reconstruction of a metallic surface state on the (001) surface of YbB12driven by Kondo effect and discuss its or...

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Autores principales: Kenta Hagiwara, Yoshiyuki Ohtsubo, Masaharu Matsunami, Shin-ichiro Ideta, Kiyohisa Tanaka, Hidetoshi Miyazaki, Julien E. Rault, Patrick Le Fèvre, François Bertran, Amina Taleb-Ibrahimi, Ryu Yukawa, Masaki Kobayashi, Koji Horiba, Hiroshi Kumigashira, Kazuki Sumida, Taichi Okuda, Fumitoshi Iga, Shin-ichi Kimura
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2016
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Science
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Acceso en línea:https://doaj.org/article/39ae736c02cb4c5c908e9a91e2d85ba3
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Sumario:Topological state in Kondo insulators has been provoked in SmB6, but the origin of surface states and topological order remain elusive. Here, Hagiwara et al. report temperature dependent reconstruction of a metallic surface state on the (001) surface of YbB12driven by Kondo effect and discuss its origin from topology.

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