Manipulating Abrikosov vortices with soft magnetic stripes

Vlasko-Vlasov, V. K.; Colauto, F.; Buzdin, A. I.; Rosenmann, D.; Benseman, T.; Kwok, W. -K.

doi:10.1103/PhysRevB.95.174514

Manipulating Abrikosov vortices with soft magnetic stripes

Journal Article · Mon May 22 00:00:00 EDT 2017 · Physical Review B

DOI:https://doi.org/10.1103/PhysRevB.95.174514· OSTI ID:1373729

Vlasko-Vlasov, V. K. ^[1]; Colauto, F. ^[2]; Buzdin, A. I. ^[3]; Rosenmann, D. ^[1]; Benseman, T. ^[4]; Kwok, W. -K. ^[1]

Argonne National Lab. (ANL), Argonne, IL (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. Federal de Sao Carlos, Sao Paulo (Brazil)
Univ. Bordeaux, Talence Cedex (France)
Argonne National Lab. (ANL), Argonne, IL (United States); City Univ. of New York (CUNY), Queens, NY (United States)

Here, tuning the polarization of a periodic array of magnetic stripes on top of a superconducting film allows control of Abrikosov vortex motion. Using direct magneto-optical imaging of the vortex patterns, we demonstrate that the proximity of the magnetic stripe ends to the edges of the superconducting film can strongly alter the vortex dynamics. We observe qualitatively different vortex behavior when the stripes overlap with the film edges. From the resulting unique magnetic flux patterns, we calculate the magnetic pinning strength of our stripe array and study effects of the modified edge barrier on vortex guidance and gating that result from different polarizations of the stripes .

View Accepted Manuscript (DOE)

Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Organization:: Sao Paulo Research Foundation (FAPESP); USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Materials Sciences and Engineering Division

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1373729

Alternate ID(s):: OSTI ID: 1358127

Journal Information:: Physical Review B, Journal Name: Physical Review B Journal Issue: 17 Vol. 95; ISSN 2469-9950; ISSN PRBMDO

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Active control of thermomagnetic avalanches in superconducting Nb films with tunable anisotropy Carmo, D.; Colauto, F.; Andrade, A. M. H. de Superconductor Science and Technology, Vol. 31, Issue 11 https://doi.org/10.1088/1361-6668/aadffa	journal	October 2018
Tailored Flux Pinning in Superconductor-Ferromagnet Multilayers with Engineered Magnetic Domain Morphology From Stripes to Skyrmions Palermo, X.; Reyren, N.; Mesoraca, S. Physical Review Applied, Vol. 13, Issue 1 https://doi.org/10.1103/physrevapplied.13.014043	journal	January 2020
Superconductivity and hall effect of polycrystalline Pb82Bi18 thin films, a universal test platform for flux pinning by hybrid nanostructures Bang, Wonbae; Woo, Sung Oh; Morrison, T. D. International Journal of Modern Physics B, Vol. 33, Issue 25 https://doi.org/10.1142/s0217979219502886	journal	October 2019
Active control of thermomagnetic avalanches in superconducting Nb films with tunable anisotropy Carmo, D.; Colauto, F.; de Andrade, A. M. H. arXiv https://doi.org/10.48550/arxiv.1712.00300	text	January 2017

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