Planar superconductor/ferromagnet hybrids: Anisotropy of resistivity induced by magnetic templates

Details Planar superconductor/ferromagnet hybrids: Anisotropy of resistivity induced by magnetic templates Planar superconductor/ferromagnet hybrids: Anisotropy of resistivity induced by magnetic templates

2009-05-15

arxiv.org/abs/0905.2590v1

Appl. Phys. Lett. 94, 222503 (2009)

Physics

Condensed Matter

Superconductivity

4 pages, 4 figures

Scientific paper

10.1063/1.3149698

We investigated experimentally the transport properties of a superconducting cross-shaped aluminium microbridge fabricated on top of ferromagnetic BaFe12O19 single crystal. It was demonstrated that a one-dimensional domain structure in the ferromagnetic substrate can induce the formation of superconducting channels above magnetic domains. This leads to a giant anisotropy of resistivity of the superconducting bridge, caused by the appearance of continuous paths of supercurrents flowing along domain walls.

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