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Nb/a-Si/Nb Josephson junctions for high-density superconducting circuits

This comprehensive data set includes the electrical characterization measurements of sputtered Nb/a-Si/Nb Josephson junctions (JJs) for high-speed and high-density superconducting electronics. JJs were studied with critical current densities (Jc) ranging from 0.01 mA/?m^2 to 3 mA/?m^2 and with and without annealing at various temperatures. These properties indicate that Nb/a-Si/Nb Josephson junctions are a potential candidate to extend the speed and circuit density of superconducting electronics to 50 nm diameter (25 mA/?m^2) JJs.

About this Dataset

Updated: 2024-02-22
Metadata Last Updated: 2023-02-08 00:00:00
Date Created: N/A
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Josephson junctions
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Title Nb/a-Si/Nb Josephson junctions for high-density superconducting circuits
Description This comprehensive data set includes the electrical characterization measurements of sputtered Nb/a-Si/Nb Josephson junctions (JJs) for high-speed and high-density superconducting electronics. JJs were studied with critical current densities (Jc) ranging from 0.01 mA/?m^2 to 3 mA/?m^2 and with and without annealing at various temperatures. These properties indicate that Nb/a-Si/Nb Josephson junctions are a potential candidate to extend the speed and circuit density of superconducting electronics to 50 nm diameter (25 mA/?m^2) JJs.
Modified 2023-02-08 00:00:00
Publisher Name National Institute of Standards and Technology
Contact mailto:[email protected]
Keywords Josephson junctions , superconducting electronics , Josephson devices , single flux quantum , fabrication process
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    "references": [
        "https:\/\/doi.org\/10.1063\/5.0148250"
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        "fn": "Pete Hopkins"
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    "language": [
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    "title": "Nb\/a-Si\/Nb Josephson junctions for high-density superconducting circuits",
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            "title": "Nb\/a-Si\/Nb Josephson junctions for high-density superconducting circuits"
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    "modified": "2023-02-08 00:00:00",
    "publisher": {
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        "name": "National Institute of Standards and Technology"
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    "theme": [
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        "Nanotechnology:Nanoelectronics",
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    "issued": "2023-02-13",
    "keyword": [
        "Josephson junctions",
        "superconducting electronics",
        "Josephson devices",
        "single flux quantum",
        "fabrication process"
    ]
}

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