Vortex Motion Study of Oxidised Superconducting NbRe Microstrips
IEEE Transactions on Applied Superconductivity, vol. 34, pp. 1–5
Abstract
We report measurements of the flux flow instability velocity in 8nm thin superconducting NbRe microstrips. In particular, a change in vortex motion after the film has been lightly oxidised is observed. We propose a possible mechanism according to which pinning is caused by domain walls where the superconducting properties are discontinuous and support our claim by a toy-model time-dependent Ginzburg-Landau simulation. Since our model is very general and applies to any type-II superconductor, we expect similar effects on other air-sensitive ploycrystalline thin film superconductors.
Authors 8
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Affiliation as printed
Huygens-Kamerlingh Onnes Laboratory, Leiden University, Leiden, The Netherlands
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Affiliation as printed
CNR-SPIN, Universitá di Salerno, Fisciano (SA), Italy
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Affiliation as printed
CNR-SPIN, Pozzuoli NA, Italy
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University of Naples Federico II
Affiliation as printed
Dipartimento di Fisica “E. Pancini,”, Universitá degli Studi di Napoli Federico II, Napoli, Italy
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University of Naples Federico II
Affiliation as printed
Dipartimento di Fisica “E. Pancini,”, Universitá degli Studi di Napoli Federico II, Napoli, Italy
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Affiliation as printed
Dipartimento di Fisica “E. R. Caianiello,”, Universitá degli Studi di Salerno, Salerno, Italy
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Affiliation as printed
Huygens-Kamerlingh Onnes Laboratory, Leiden University, Leiden, The Netherlands
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Affiliation as printed
Huygens-Kamerlingh Onnes Laboratory, Leiden University, Leiden, The Netherlands
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