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

doi:10.1063/5.0155663

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

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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 language	English
Article number	082601
Number of pages	6
Journal	Applied Physics Letters
Volume	123
Issue number	8
DOIs	https://doi.org/10.1063/5.0155663
Publication status	Published - 2023

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Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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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.",

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note = "Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.",

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AU - Chen, Yan

AU - van Driel, David

AU - Lampadaris, Charalampos

AU - Khan, Sabbir A.

AU - Alattallah, Khalifah

AU - Zeng, Lunjie

AU - Olsson, Eva

AU - Dvir, Tom

AU - Krogstrup, Peter

AU - Liu, Yu

N1 - Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2023

Y1 - 2023

N2 - 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.

AB - 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.

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JO - Applied Physics Letters

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Gate-tunable superconductivity in hybrid InSb-Pb nanowires

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