Spin hall effect in SrIrO3 measured by spin torque ferromagnetic resonance

ORAL

Abstract

A lot of research focus on spin Hall effect for the use of spintronic devices has been put on heavy metals such as Pt and topological insulators but there is rare research on spin Hall effect in complex oxide systems with strong spin orbit coupling effects. Complex oxides such as SrIrO3 with strong spin orbit coupling effects have drawn considerable research interest. We have studied spin torque ferromagnetic resonance (ST-FMR) induced by spin Hall effect in SrIrO3. Spin Hall angle of SrIrO3 as large as 0.36 is determined by ST-FMR, which is almost the same order as Ta. More interestingly, as thickness of SrIrO3 increases, spin Hall angle of SrIrO3 increases, while resistivity decreases.

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Presenters

  • Xiaoxi Huang

    Department of Materials Science and Engineering, University of California, Berkeley

Authors

  • Xiaoxi Huang

    Department of Materials Science and Engineering, University of California, Berkeley

  • Arnoud Everhardt

    Materials Science and Engineering, University of California, Berkeley, Materials Sciences Division, Lawrence Berkeley National Laboratory, Materials Science Division, Lawrence Berkeley National Laboratory, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands

  • Mahendra DC

    University of Minnesota, School of Physics and Astronomy, University of Minnesota

  • Christoph Klewe

    Advanced Light Source, Lawrence Berkeley National Laboratory, Lawrence Berkeley National Laboratory

  • R Ramesh

    Department of Physics, University of California Berkeley, California, USA, Department of Materials Science and Engineering, University of California at Berkeley, Department of Materials Science and Engineering, University of California, Berkeley, California 94720, USA., Department of Materials Science and Engineering, University of California, Berkeley, Department of Physics, University of California, Berkeley

  • Jianping Wang

    University of Minnesota, School of Physics and Astronomy, University of Minnesota, Electrical and Computer Engineering, University of Minnesota