Temperature dependence measurements of the supercurrent-phase relationship in niobium nanobridges

A.G.P. Troeman; S.H.W. van der Ploeg; E. IlÍchev; H.-G. Meyer; A.A. Golubov; M.Yu. Kupriyanov; H. Hilgenkamp

doi:10.1103/PhysRevB.77.024509

Temperature dependence measurements of the supercurrent-phase relationship in niobium nanobridges

A.G.P. Troeman, S.H.W. van der Ploeg, E. IlÍchev, H.-G. Meyer, A.A. Golubov, M.Yu. Kupriyanov, H. Hilgenkamp

Faculty of Science and Technology

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Abstract

The current-phase relationship has been measured as a function of temperature for niobium nanobridges with different widths. A deformation from Josephson-like sinusoidal characteristics at high temperatures to sawtooth shaped curves at intermediate and multivalued relationships at low temperatures was observed. Based on this, possible hysteresis in the current-voltage characteristics of niobium nanobridge superconducting quantum interference devices can be attributed to phase slippage.

Original language	English
Pages (from-to)	024509-
Journal	Physical review B: Condensed matter and materials physics
Volume	77
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevB.77.024509
Publication status	Published - 2008

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10.1103/PhysRevB.77.024509

ArticleFinal published version, 634 KBLicence: Taverne

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abstract = "The current-phase relationship has been measured as a function of temperature for niobium nanobridges with different widths. A deformation from Josephson-like sinusoidal characteristics at high temperatures to sawtooth shaped curves at intermediate and multivalued relationships at low temperatures was observed. Based on this, possible hysteresis in the current-voltage characteristics of niobium nanobridge superconducting quantum interference devices can be attributed to phase slippage.",

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AU - Troeman, A.G.P.

AU - van der Ploeg, S.H.W.

AU - IlÍchev, E.

AU - Meyer, H.-G.

AU - Golubov, A.A.

AU - Kupriyanov, M.Yu.

AU - Hilgenkamp, H.

PY - 2008

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N2 - The current-phase relationship has been measured as a function of temperature for niobium nanobridges with different widths. A deformation from Josephson-like sinusoidal characteristics at high temperatures to sawtooth shaped curves at intermediate and multivalued relationships at low temperatures was observed. Based on this, possible hysteresis in the current-voltage characteristics of niobium nanobridge superconducting quantum interference devices can be attributed to phase slippage.

AB - The current-phase relationship has been measured as a function of temperature for niobium nanobridges with different widths. A deformation from Josephson-like sinusoidal characteristics at high temperatures to sawtooth shaped curves at intermediate and multivalued relationships at low temperatures was observed. Based on this, possible hysteresis in the current-voltage characteristics of niobium nanobridge superconducting quantum interference devices can be attributed to phase slippage.

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U2 - 10.1103/PhysRevB.77.024509

DO - 10.1103/PhysRevB.77.024509

M3 - Article

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JF - Physical review B: Condensed matter and materials physics

IS - 2

ER -

Temperature dependence measurements of the supercurrent-phase relationship in niobium nanobridges

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