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Grant support

The authors wish to thank Marcelo Goffman, Hughes Pothier, Cristian Urbina, Ramon Aguado and Elsa Prada for useful comments. We acknowledge funding by EU through the European Research Council (ERC) Starting Grant agreement 716559 (TOPOQDot), the FET-Open contract AndQC, by the Danish National Research Foundation, Innovation Fund Denmark, the Carlsberg Foundation, and by the Spanish AEI through Grant No. PID2020-117671GB-I00 and through the "Maria de Maeztu" Programme for Units of Excellence in R&D (CEX2018-000805-M) and the "Ramon y Cajal" programme grant RYC-2015-17973.

Analysis of institutional authors

Yeyati AlAuthorLee EjhCorresponding Author

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Article

Joule spectroscopy of hybrid superconductor-semiconductor nanodevices

Publicated to:Nature Communications. 14 (1): 2873-2873 - 2023-12-01 14(1), DOI: 10.1038/s41467-023-38533-2

Authors: Ibabe, A; Gomez, M; Steffensen, G O; Kanne, T; Nygard, J; Yeyati, A Levy; Lee, E J H

Affiliations

Center for Quantum Devices, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark. - Author
Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, Madrid, Spain. - Author
Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, Madrid, Spain. eduardo.lee@uam.es. - Author
Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Madrid, Spain. - Author
Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Madrid, Spain. eduardo.lee@uam.es. - Author
Departamento de Fisica Teorica de la Materia Condensada, Universidad Autonoma de Madrid, Madrid, Spain. - Author
Univ Autonoma Madrid, Condensed Matter Phys Ctr IFIMAC, Madrid, Spain - Author
Univ Autonoma Madrid, Dept Fis Mat Condensada, Madrid, Spain - Author
Univ Autonoma Madrid, Dept Fis Teor Mat Condensada, Madrid, Spain - Author
Univ Copenhagen, Niels Bohr Inst, Ctr Quantum Devices, Copenhagen, Denmark - Author
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Abstract

Hybrid superconductor-semiconductor devices offer highly tunable platforms, potentially suitable for quantum technology applications, that have been intensively studied in the past decade. Here we establish that measurements of the superconductor-to-normal transition originating from Joule heating provide a powerful spectroscopical tool to characterize such hybrid devices. Concretely, we apply this technique to junctions in full-shell Al-InAs nanowires in the Little-Parks regime and obtain detailed information of each lead independently and in a single measurement, including differences in the superconducting coherence lengths of the leads, inhomogeneous covering of the epitaxial shell, and the inverse superconducting proximity effect; all-in-all constituting a unique fingerprint of each device with applications in the interpretation of low-bias data, the optimization of device geometries, and the uncovering of disorder in these systems. Besides the practical uses, our work also underscores the importance of heating in hybrid devices, an effect that is often overlooked.© 2023. The Author(s).

Keywords

alloysgapNanowires

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Nature Communications due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2023, it was in position 8/134, thus managing to position itself as a Q1 (Primer Cuartil), in the category Multidisciplinary Sciences. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 6.46, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Jun 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-06-23, the following number of citations:

  • WoS: 8
  • Scopus: 11
  • Europe PMC: 3
  • OpenCitations: 10

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-23:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 20.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 20 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 13.05.
  • The number of mentions on the social network X (formerly Twitter): 16 (Altmetric).
  • The number of mentions in news outlets: 1 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://repositorio.uam.es/handle/10486/708126

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Denmark.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (Ibabe A) and Last Author (LEE IGA, EDUARDO).

the author responsible for correspondence tasks has been LEE IGA, EDUARDO.