Anisotropic Superconductivity in MoGe - Permalloy Bilayers

ORAL

Abstract

We studied the magneto-transport properties of superconductor-ferromagnet MoGe/Permalloy bilayers. The ferromagnet with stripe domain structure induces in-plane anisotropy in superconducting order parameter. Superconducting phase diagram shows that near the S-N phase boundary the superconductivity is localized in narrow mesoscopic channels just above the magnetic domain walls. By changing the in-plane direction of magnetic stripe domains it is possible to re-configure the direction of the superconducting channels and enable one to control the direction of the anisotropy axis in the superconductor.

Authors

  • Goran Karapetrov

    Argonne National Laboratory, Argonne National Lab

  • A. Belkin

    Argonne National Laboratory and Illinois Institiute of Technology, ANL and Illinois Institute of Technology

  • V. Novosad

    Argonne National Laboratory, Argonne National Lab

  • M. Iavarone

    Argonne National Laboratory, Argonne National Lab

  • J. Fedor

    Argonne National Lab

  • Andra Petrean-Troncalli

    Austin College

  • J.E. Pearson

    MSD, Argonne National Laboratory, Argonne National Laboratory, Argonne National Lab

  • Wai -K Kwok

    Argonne National Laboratory, Argonne National Lab, Materials Science Division, Argonne National Laboratory, Material Science Division, Argonne National Laboratory