Anisotropic high-field magnetoresistance of microstructured CeIrIn5

ORAL

Abstract

We report magnetoresistance up to 65T on high quality, focused ion beam (FIB)-fabricated microstructures of CeIrIn5, a strongly correlated metal known for its heavy-fermion superconducting state at Tc ~ 0.4K. We probe the anisotropic magnetotransport in microstructured samples with well-defined geometries, and we simultaneously measure resistance along the [100] and [001] directions with respect to a number of applied filed orientations. We observe a jump-like increase of the magnetoresistance in high fields above 40T for a narrow range of field angles. The transport anomaly is reminiscent of recent transport observations in CeRhIn5. Yet, unlike CeRhIn5, CeIrIn5 does not order anti-ferromagnetically; thus, our results point to origins other than metamagnetism.

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Presenters

  • Kent Shirer

    • Max Planck Institute for Chemical Physics of Solids
    • MQM, Max Planck Inst CPFS

Authors

  • Kent Shirer

    • Max Planck Institute for Chemical Physics of Solids
    • MQM, Max Planck Inst CPFS

  • Maja Bachmann

    • Max Planck Institute for Chemical Physics of Solids

  • Laurel Winter

    • Los Alamos National Laboratory
    • Los Alamos Natl Lab
    • LANL/NHMFL
    • NHMFL-PFF, Los Alamos National Laboratory
    • National High Magnetic Field Laboratory, LANL

  • Fedor Balakirev

    • NHMFL at Los Alamos National Lab
    • NHMFL-PFF, Los Alamos National Laboratory
    • National High Magnetic Field Laboratory, LANL
    • National High Magnetic Field Laboratory

  • Ross McDonald

    • Los Alamos National Laboratory
    • National High Magnetic Field Laboratory
    • Pulsed Field Facility, Los Alamos National Lab
    • Los Alamos Natl Lab
    • LANL/NHMFL
    • NHMFL-PFF, Los Alamos National Laboratory
    • National High Magnetic Field Laboratory, LANL

  • Eric Bauer

    • MPA-CMMS, Los Alamos National Laboratory
    • Los Alamos National Laboratory
    • Los Alamos Natl Lab
    • Condensed Matter and Magnetic Science Group, Los Alamos National Laboratory
    • Los Alamos National Lab
    • Condensed Matter and Magnet Science Group, Los Alamos National Laboratory

  • Filip Ronning

    • MPA-CMMS, Los Alamos National Laboratory
    • Los Alamos Natl Lab
    • Los Alamos National Laboratory
    • Condensed Matter and Magnetic Science Group, Los Alamos National Laboratory
    • Condensed Matter and Magnet Science Group, Los Alamos National Laboratory

  • Philip Moll

    • Max Planck Institute for Chemical Physics of Solids
    • Max Planck Inst