Proximity-effect-induced Superconducting Gap in Topological Surface States – A Point Contact Spectroscopy Study of NbSe2/Bi2Se3 Superconductor-Topological Insulator Heterostructures

Proximity-effect-induced Superconducting Gap in Topological Surface States – A Point Contact Spectroscopy Study of NbSe2/Bi2Se3 Superconductor-Topological Insulator Heterostructures

Abstract Proximity-effect-induced superconductivity was studied in epitaxial topological insulator Bi2Se3 thin films grown on superconducting NbSe2 single crystals. A point contact spectroscopy (PCS) method was used at low temperatures down to 40 mK. An induced superconducting gap in Bi2Se3 was obse...

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Bibliographic Details
Main Authors: Wenqing Dai, Anthony Richardella, Renzhong Du, Weiwei Zhao, Xin Liu, C. X. Liu, Song-Hsun Huang, Raman Sankar, Fangcheng Chou, Nitin Samarth, Qi Li
Format: article
Language:EN
Published: Nature Portfolio 2017
Subjects:
Medicine
R
Science
Q
Online Access:https://doaj.org/article/0e994ac06eb644de8a0bb1880b9ed352
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