Josephson current mediated by ballistic topological states in Bi2Te2.3Se0.7 single nanocrystals

Josephson current mediated by ballistic topological states in Bi2Te2.3Se0.7 single nanocrystals

Topological insulators in contact with a superconductor could house unusual physical states such as Majorana fermions. Here, the authors fabricate and report the  electron-transport characteristics of Josephson junctions built using a nanoscale topological insulator, finding evidence for ballistic t...

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Autores principales: Vasily S. Stolyarov, Dmitry S. Yakovlev, Sergei N. Kozlov, Olga V. Skryabina, Dmitry S. Lvov, Amir I. Gumarov, Olga V. Emelyanova, Pavel S. Dzhumaev, Igor V. Shchetinin, Razmik A. Hovhannisyan, Sergey V. Egorov, Andrey M. Kokotin, Walter V. Pogosov, Valery V. Ryazanov, Mikhail Yu. Kupriyanov, Alexander. A. Golubov, Dimitri Roditchev
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
Materias:
Materials of engineering and construction. Mechanics of materials
TA401-492
Acceso en línea:https://doaj.org/article/7c0e17f4e08c4fb1bb6272fed38dc8c0
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Sumario:Topological insulators in contact with a superconductor could house unusual physical states such as Majorana fermions. Here, the authors fabricate and report the  electron-transport characteristics of Josephson junctions built using a nanoscale topological insulator, finding evidence for ballistic transport in the surface states of the nanocrystals.

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