Tunable pinning in superconducting films with magnetic micro-loops

A. V. Silhanek; W. Gillijns; V. V. Moshchalkov; V. Metlushko; B. Ilic

doi:10.1063/1.2374798

Tunable pinning in superconducting films with magnetic micro-loops

Superconductivity 2009-11-11 v1

Authors: A. V. Silhanek , W. Gillijns , V. V. Moshchalkov , V. Metlushko , B. Ilic

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Abstract

We study the flux pinning properties of superconductor/magnetic micro-rings lattice hybrid structures. The used open triangular micromagnets represent an eight-fold degree of freedom system, with six polarized and two flux-closure possible states. By conveniently choosing the magnetic state of the underlying rings it is possible to induce different pinning potentials. We show that the magnetic vortex state with minimum stray field produces a weaker pinning in comparison with the polarized states.

Keywords

flux pinning superconductor/magnetic hybrid structures magnetic micro-loops magnetic vortex state pinning potential triangular micromagnets

Cite

@article{arxiv.cond-mat/0611172,
  title  = {Tunable pinning in superconducting films with magnetic micro-loops},
  author = {A. V. Silhanek and W. Gillijns and V. V. Moshchalkov and V. Metlushko and B. Ilic},
  journal= {arXiv preprint arXiv:cond-mat/0611172},
  year   = {2009}
}

Tunable pinning in superconducting films with magnetic micro-loops

Abstract

Keywords

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