Evidence of vortex jamming in Abrikosov vortex flux flow regime

G. Karapetrov, V. Yefremenko, G. Mihajlović, J. E. Pearson, M. Iavarone, V. Novosad, and S. D. Bader
Phys. Rev. B 86, 054524 – Published 30 August 2012

Abstract

We report on dynamics of nonlocal Abrikosov vortex flow in mesoscopic superconducting Nb channels. Magnetic field dependence of the nonlocal voltage induced by the flux flow shows that vortices form ordered vortex chains. Voltage asymmetry (rectification) with respect to the direction of vortex flow is evidence that vortex jamming strongly moderates vortex dynamics in mesoscopic geometries. The findings can be applied to superconducting devices exploiting vortex dynamics and vortex manipulation, including superconducting wires with engineered pinning centers.

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  • Received 28 August 2011

DOI:https://doi.org/10.1103/PhysRevB.86.054524

©2012 American Physical Society

Authors & Affiliations

G. Karapetrov1,*, V. Yefremenko2, G. Mihajlović2,†, J. E. Pearson2, M. Iavarone3, V. Novosad2, and S. D. Bader2

  • 1Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, USA
  • 2Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
  • 3Department of Physics, Temple University, Philadelphia, Pennsylvania 19122, USA

  • *goran@drexel.edu
  • Present address: San Jose Research Center, Hitachi Global Storage Technologies, San Jose, CA 95135.

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Vol. 86, Iss. 5 — 1 August 2012

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