Investigation of superconducting properties of nanowires prepared by template synthesis

S. Michotte, Stefan Mátéfi-Tempfli, L. Piraux

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    We report on the transport properties of single superconducting lead nanowires grown by an electrodeposition technique, embedded in a nanoporous track-etched polymer membrane. The nanowires are granular, have a uniform diameter of ∼40 nm and a very large aspect ratio (∼500). The diameter of the nanowires is small enough to ensure a one-dimensional superconducting regime in a wide temperature range below T. The non-zero resistance in the superconducting state and its variation caused by fluctuations of the superconducting order parameter were measured versus temperature, magnetic field, and applied dc current (or voltage). The current-induced breakdowns in the voltage-current characteristics may be explained by the formation of phase slip centres. Moreover, dc voltage driven measurements reveal the existence of a new S-shape behaviour near the formation of these phase slip centres.
    Original languageEnglish
    JournalSuperconductor Science & Technology
    Volume16
    Issue number5
    Pages (from-to)557-561
    Number of pages5
    ISSN0953-2048
    DOIs
    Publication statusPublished - 1. May 2003

    Fingerprint

    Nanowires
    nanowires
    templates
    electric potential
    slip
    synthesis
    Voltage measurement
    Induced currents
    Current voltage characteristics
    Electrodeposition
    electrodeposition
    Transport properties
    aspect ratio
    Aspect ratio
    Polymers
    Lead
    transport properties
    breakdown
    Magnetic fields
    membranes

    Cite this

    Michotte, S. ; Mátéfi-Tempfli, Stefan ; Piraux, L. / Investigation of superconducting properties of nanowires prepared by template synthesis. In: Superconductor Science & Technology. 2003 ; Vol. 16, No. 5. pp. 557-561.
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    abstract = "We report on the transport properties of single superconducting lead nanowires grown by an electrodeposition technique, embedded in a nanoporous track-etched polymer membrane. The nanowires are granular, have a uniform diameter of ∼40 nm and a very large aspect ratio (∼500). The diameter of the nanowires is small enough to ensure a one-dimensional superconducting regime in a wide temperature range below T. The non-zero resistance in the superconducting state and its variation caused by fluctuations of the superconducting order parameter were measured versus temperature, magnetic field, and applied dc current (or voltage). The current-induced breakdowns in the voltage-current characteristics may be explained by the formation of phase slip centres. Moreover, dc voltage driven measurements reveal the existence of a new S-shape behaviour near the formation of these phase slip centres.",
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    Investigation of superconducting properties of nanowires prepared by template synthesis. / Michotte, S.; Mátéfi-Tempfli, Stefan; Piraux, L.

    In: Superconductor Science & Technology, Vol. 16, No. 5, 01.05.2003, p. 557-561.

    Research output: Contribution to journalJournal articleResearchpeer-review

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    T1 - Investigation of superconducting properties of nanowires prepared by template synthesis

    AU - Michotte, S.

    AU - Mátéfi-Tempfli, Stefan

    AU - Piraux, L.

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    N2 - We report on the transport properties of single superconducting lead nanowires grown by an electrodeposition technique, embedded in a nanoporous track-etched polymer membrane. The nanowires are granular, have a uniform diameter of ∼40 nm and a very large aspect ratio (∼500). The diameter of the nanowires is small enough to ensure a one-dimensional superconducting regime in a wide temperature range below T. The non-zero resistance in the superconducting state and its variation caused by fluctuations of the superconducting order parameter were measured versus temperature, magnetic field, and applied dc current (or voltage). The current-induced breakdowns in the voltage-current characteristics may be explained by the formation of phase slip centres. Moreover, dc voltage driven measurements reveal the existence of a new S-shape behaviour near the formation of these phase slip centres.

    AB - We report on the transport properties of single superconducting lead nanowires grown by an electrodeposition technique, embedded in a nanoporous track-etched polymer membrane. The nanowires are granular, have a uniform diameter of ∼40 nm and a very large aspect ratio (∼500). The diameter of the nanowires is small enough to ensure a one-dimensional superconducting regime in a wide temperature range below T. The non-zero resistance in the superconducting state and its variation caused by fluctuations of the superconducting order parameter were measured versus temperature, magnetic field, and applied dc current (or voltage). The current-induced breakdowns in the voltage-current characteristics may be explained by the formation of phase slip centres. Moreover, dc voltage driven measurements reveal the existence of a new S-shape behaviour near the formation of these phase slip centres.

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