Isotropic Giant Magnetoresistance in URhIn<sub>5</sub>

ORAL

Abstract

We will show results of the resistivity anisotropy in focused ion beam (FIB)-fabricated microstructures of URhIn5 and compare them to CeRhIn5. Both systems order antiferromagnetically (AFM) at 94 K and 3.8K K , respectively. Marked differences are found in their response to magnetic field, despite their structural and electronical similarities. In CeRhIn5, the AFM order leads to an increase in the ratio of in-plane to out-of-plane resistivity with a modulation of the angle-dependent magnetoresistance. In contrast, the onset of AFM order in URhIn5 has no effect on the anisotropy of the system, but leads to a giant magnetoresistance (GMR), resembling semi-metals like Bi1 and WTe22, rather than other 115-heavy fermion systems. By performing detailed angle-dependent measurements of the magnetoresistance in the U-based system, we can show that the GMR originates mainly from orbital magnetoresistance, making it unique among f-electron containing system.

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Presenters

  • Carsten Putzke

    • École Polytechnique Fédérale de Lausanne (EPFL), Institute of Materials, Lausanne, Switzerland

Authors

  • Carsten Putzke

    • École Polytechnique Fédérale de Lausanne (EPFL), Institute of Materials, Lausanne, Switzerland

  • Eteri Svanidze

    • Max Planck Institute for Chemical Physics of Solids, Dresden, Germany
    • Max Planck Institute for Chemical Physics of Solids

  • Maja Bachmann

    • Max Planck Institute for Chemical Physics of Solids
    • Max Planck Institute for Chemical Physics of Solids, Dresden, Germany

  • Markus Koenig

    • Max-Planck-Institute for Chemical Physics of Solids
    • Max Planck Institute for Chemical Physics of Solids
    • Max Planck Institute for Chemical Physics of Solids, Dresden, Germany

  • Kent Shirer

    • Max Planck Institute for Chemical Physics of Solids
    • Max Planck Institute for Chemical Physics of Solids, Dresden, Germany

  • Jonas Diaz

    • École Polytechnique Fédérale de Lausanne (EPFL), Institute of Materials, Lausanne, Switzerland

  • Tobias Foerster

    • Highfield Magnetlaboratory Dresden, Helmholtz-Center Dresden-Rossendorf, Dresden, Germany

  • Andreas Leithe-Jasper

    • MPI CPfS
    • Max Planck Institute for Chemical Physics of Solids, Dresden, Germany

  • Eric Bauer

    • Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    • Los Alamos National Laboratory
    • MPA-CMMS, Los Alamos National Laboratory, Los Alamos, USA
    • MPA-CMMS, Los Alamos National Laboratory
    • Los Alamos National Laboratory, Los Alamos, New Mexico, USA
    • Los Alamos National Labs

  • Filip Ronning

    • Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    • Los Alamos National Laboratory
    • MPA-CMMS, Los Alamos National Laboratory, Los Alamos, USA
    • MPA-CMMS, Los Alamos National Laboratory
    • Los Alamos National Laboratory, Los Alamos, New Mexico, USA
    • Los Alamos National Labs

  • Yuri Grin

    • MPI CPfS
    • Max Planck Institute for Chemical Physics of Solids, Dresden, Germany
    • Max Planck Institute for Chemical Physics of Solids

  • Philip Moll

    • Ecole polytechnique federale de Lausanne
    • Swiss Federal Institute of Technology in Lausanne
    • École Polytechnique Fédérale de Lausanne (EPFL), Institute of Materials, Lausanne, Switzerland
    • Institute of Materials, Ecole Polytechnique Federale de Lausanne
    • Ecole Polytechnique Federale de Lausanne