Long-range vortex transfer in superconducting nanowires
Entity
UAM. Departamento de Física de la Materia CondensadaPublisher
Nature Publishing GroupDate
2019-12-01Citation
10.1038/s41598-019-48887-7
Scientific Reports 9.1 (2019): 12386
ISSN
2045-2322DOI
10.1038/s41598-019-48887-7Funded by
This work was supported by the financial support from Spanish Ministry of Economy and Competitiveness through the projects MAT2015-69725-REDT, MAT2017-82970-C2-1-R and MAT2017-82970-C2-2-R, PIE201760E027, including FEDER funding, FIS2017-84330-R, MDM-2014-0377, FIS2016-80434-P and the Fundación Ramón Areces, EU ERC (Grant Agreement No. 679080), COST Grant No. CA16128 and STSM Grant from COST Action CA16218, and from regional Gobierno de Aragón (grants E13_17R and E28_17R) with European Social Fund (Construyendo Europa desde Aragón) and Comunidad de Madrid through project Nanofrontmag-CM (Grant No. S2013/MIT-2850)Project
Gobierno de España. MAT2015-69725-REDT; Gobierno de España. MAT2017-82970-C2-1-R; Gobierno de España. MAT2017-82970-C2-2-R; Gobierno de España. PIE201760E027; Gobierno de España. FIS2017-84330-R; Gobierno de España. FIS2016-80434-P; Gobierno de España. MDM-2014-0377; Comunidad de Madrid. S2013/MIT-2850/NANOFRONTMAG-CM; info:eu-repo/grantAgreement/EC/H2020/679080/EU//PNICTEYESEditor's Version
https://doi.org/10.1038/s41598-019-48887-7Subjects
Electronic properties and materials; Nanowires; Superconducting properties and materials; FísicaRights
© 2019, The Author(s).Abstract
Under high-enough values of perpendicularly-applied magnetic field and current, a type-II superconductor presents a finite resistance caused by the vortex motion driven by the Lorentz force. To recover the dissipation-free conduction state, strategies for minimizing vortex motion have been intensely studied in the last decades. However, the non-local vortex motion, arising in areas depleted of current, has been scarcely investigated despite its potential application for logic devices. Here, we propose a route to transfer vortices carried by non-local motion through long distances (up to 10 micrometers) in 50 nm-wide superconducting WC nanowires grown by Ga+ Focused Ion Beam Induced Deposition. A giant non-local electrical resistance of 36 Ω has been measured at 2 K in 3 μm-long nanowires, which is 40 times higher than signals reported for wider wires of other superconductors. This giant effect is accounted for by the existence of a strong edge confinement potential that hampers transversal vortex displacements, allowing the long-range coherent displacement of a single vortex row along the superconducting channel. Experimental results are in good agreement with numerical simulations of vortex dynamics based on the time-dependent Ginzburg-Landau equations. Our results pave the way for future developments on information technologies built upon single vortex manipulation in nano-superconductors
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Google Scholar:Córdoba, Rosa
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Orús, Pablo
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Jelić, Željko L.
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Sesé, Javier
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Ibarra, Manuel Ricardo
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Guillamón Gómez, Isabel
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Vieira Díaz, Sebastián
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Palacios Burgos, Juan José
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Suderow Rodríguez, Hermann Jesús
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Milosević, Milorad V.
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De Teresa, José María
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