Gate-tunable superconductivity in hybrid InSb-Pb nanowires

Yan Chen, David van Driel, Charalampos Lampadaris, Sabbir A. Khan, Khalifah Alattallah, Lunjie Zeng, Eva Olsson, Tom Dvir, Peter Krogstrup, Yu Liu*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

We present a report on hybrid InSb-Pb nanowires that combine high spin-orbit coupling with a high critical field and a large superconducting gap. Material characterization indicates the Pb layer of high crystal quality on the nanowire side facets. Hard induced superconducting gaps and gate-tunable supercurrent are observed in the hybrid nanowires. These results showcase the promising potential of this material combination for a diverse range of applications in hybrid quantum transport devices.

Original languageEnglish
Article number082601
Number of pages6
JournalApplied Physics Letters
Volume123
Issue number8
DOIs
Publication statusPublished - 2023

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