Josephson Effect and Charge Distribution in Thin Bi2 Te3 Topological Insulators

© 2020 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 14 vom: 01. Apr., Seite e1908351
1. Verfasser: Stehno, Martin P (VerfasserIn)
Weitere Verfasser: Ngabonziza, Prosper, Myoren, Hiroaki, Brinkman, Alexander
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Josephson junctions bismuth telluride diffusive transport superconductivity topological insulators
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520 |a Thin layers of topological insulator materials are quasi-2D systems featuring a complex interplay between quantum confinement and topological band structure. To understand the role of the spatial distribution of carriers in electrical transport, the Josephson effect, magnetotransport, and weak anti-localization are studied in bottom-gated thin Bi2 Te3 topological insulator films. The experimental carrier densities are compared to a model based on the solutions of the self-consistent Schrödinger-Poisson equations and they are in excellent agreement. The modeling allows for a quantitative interpretation of the weak antilocalization correction to the conduction and of the critical current of Josephson junctions with weak links made from such films without any ad hoc assumptions 
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700 1 |a Ngabonziza, Prosper  |e verfasserin  |4 aut 
700 1 |a Myoren, Hiroaki  |e verfasserin  |4 aut 
700 1 |a Brinkman, Alexander  |e verfasserin  |4 aut 
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