Triplet superconductivity in oxide ferromagnetic interlayer of mesa-structure
Paper i proceeding, 2014

We present experimental data on Nb-Au/La0.7Sr0.3MnO3/SrRuO3/YBa2Cu3O7-δ mesa- structure with in plane linear size 10÷50 μm. The mesa-structures were patterned from the epitaxial heterostructures fabricated by pulsed laser ablation and magnetron sputtering. Superconducting critical current was observed for mesa-structures with the interlayer thicknesses up to 50 nm. In the mesa-structures with just one, either La0.7Sr0.3MnO3 or SrRuO3 interlayer with a thickness larger than 10 nm no superconducting current was observed. The registered superconducting current for the mesa-structures with a thinner interlayer is attributed to pinholes. Obtained results are discussed in terms of superconducting long-range triplet generation at interfaces of superconductor and a composite ferromagnet consisting of ferromagnetic materials with non-collinear magnetization.

Författare

Gennady Ovsyannikov

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

K. Y. Constantinian

National Research University of Electronic Technology (MIET)

A.E. Sheerman

National Research University of Electronic Technology (MIET)

A. V. Shadrin

Chalmers, Mikroteknologi och nanovetenskap (MC2)

Y.V. Kislinski

National Research University of Electronic Technology (MIET)

Y. N. Khaydukov

Max Planck-institutet

L. Mustafa

Max Planck-institutet

Alexei Kalaboukhov

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

Dag Winkler

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

Journal of Physics: Conference Series

1742-6588 (ISSN)

Vol. 592 1 Art. no. 012136- 012136

Ämneskategorier

Den kondenserade materiens fysik

DOI

10.1088/1742-6596/592/1/012136

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Senast uppdaterat

2018-02-21