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Title: Manipulating Abrikosov vortices with soft magnetic stripes

Abstract

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 .

Authors:
 [1];  [2];  [3];  [1];  [4];  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. Federal de Sao Carlos, Sao Paulo (Brazil)
  3. Univ. Bordeaux, Talence Cedex (France)
  4. Argonne National Lab. (ANL), Argonne, IL (United States); City Univ. of New York (CUNY), Queens, NY (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Materials Sciences and Engineering Division; Sao Paulo Research Foundation (FAPESP); USDOE
OSTI Identifier:
1373729
Alternate Identifier(s):
OSTI ID: 1358127
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 17; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Vlasko-Vlasov, V. K., Colauto, F., Buzdin, A. I., Rosenmann, D., Benseman, T., and Kwok, W. -K. Manipulating Abrikosov vortices with soft magnetic stripes. United States: N. p., 2017. Web. doi:10.1103/PhysRevB.95.174514.
Vlasko-Vlasov, V. K., Colauto, F., Buzdin, A. I., Rosenmann, D., Benseman, T., & Kwok, W. -K. Manipulating Abrikosov vortices with soft magnetic stripes. United States. doi:10.1103/PhysRevB.95.174514.
Vlasko-Vlasov, V. K., Colauto, F., Buzdin, A. I., Rosenmann, D., Benseman, T., and Kwok, W. -K. Mon . "Manipulating Abrikosov vortices with soft magnetic stripes". United States. doi:10.1103/PhysRevB.95.174514. https://www.osti.gov/servlets/purl/1373729.
@article{osti_1373729,
title = {Manipulating Abrikosov vortices with soft magnetic stripes},
author = {Vlasko-Vlasov, V. K. and Colauto, F. and Buzdin, A. I. and Rosenmann, D. and Benseman, T. and Kwok, W. -K.},
abstractNote = {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 .},
doi = {10.1103/PhysRevB.95.174514},
journal = {Physical Review B},
issn = {2469-9950},
number = 17,
volume = 95,
place = {United States},
year = {2017},
month = {5}
}

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