Anomalous magneto-resistance of Ni-nanowire/Nb hybrid system
We examine the influence of superconductivity on the magneto-transport properties of a ferromagnetic Ni nanowire connected to Nb electrodes. We show experimentally and confirm theoretically that the Nb/Ni interface plays an essential role in the electron transport through the device. Just below the superconducting transition, a strong inverse proximity effect from the nanowire suppresses superconducting correlations at Nb/Ni interfaces, resulting in a conventional anisotropic magneto-resistive response. At lower temperatures however, the Nb electrodes operate as superconducting shunts. As the result, the magneto-resistance exhibits a strongly growing hysteretic behavior accompanied by a series of saw-like jumps. The latter are associated with the penetration/escape of individual Abrikosov vortices that influence non-equilibrium processes at the Nb/Ni interface. These effects should be taken into account when designing superconducting quantum nano-hybrids involving ferromagnetic nanowires.
Citations by journals
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Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics
1 publication, 12.5%
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Scientific Reports
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Scientific Reports
1 publication, 12.5%
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Journal of Magnetism and Magnetic Materials
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Journal of Magnetism and Magnetic Materials
1 publication, 12.5%
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Physical Review B
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Physical Review B
1 publication, 12.5%
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ACS Applied Nano Materials
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ACS Applied Nano Materials
1 publication, 12.5%
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Nanomaterials
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Nanomaterials
1 publication, 12.5%
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Solid State Communications
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Solid State Communications
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Physical Review Research
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Physical Review Research
1 publication, 12.5%
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Elsevier
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Elsevier
2 publications, 25%
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American Physical Society (APS)
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American Physical Society (APS)
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 12.5%
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Springer Nature
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Springer Nature
1 publication, 12.5%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
1 publication, 12.5%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 12.5%
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