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Magnetic anisotropy in the rare-earth honeycomb lattice YbCl<sub>3</sub>

POSTER

Abstract

The Kitaev quantum spin liquid (KQSL) is an exact solvable exotic state with bond-directional interactions in a honeycomb lattice [1]. Its potential applications in quantum information field attract a lot of attention. So far only a few KQSL candidates are available, such as honeycomb lattices α-RuCl3 and Na2IrO3 with strong spin-orbital coupling 4d (Ru) and 5d (Ir) elements [2-4]. All these lattices show the long-range zig-zag magnetic order at low temperature instead of KQSL states. Recently we found a new Kitaev candidate, the rare-earth honeycomb lattice YbCl3 with an effective spin-1/2, which presents a short-range magnetic order around 1.2 K and another kink at 0.6 K [7]. We investigated the magnetic ground state and magnetic anisotropy of YbCl3 using unpolarized/polarized neutron diffraction techniques, which will be the focus of the presentation.

[1] A. Kitaev, Ann. Phys. (NY) 321, 2 (2006)
[2] F. Ye, et al., Phys. Rev. B 85, 180403(R) (2012).
[3] A. Banerjee, et al., Nat. Mater., 15, 733 (2016).
[4] H.B. Cao, et al., Phys. Rev. B 93, 134423 (2016).
[5] J. Xing, et al., arXiv:1903.03615 (2019)

Presenters

  • Huibo Cao

    Oak Ridge National Lab, Oak Ridge National Laboratory, Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA, Neutron Scattering Division, Oak Ridge National Laboratory, Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA, Oak Ridge Natl Lab

Authors

  • Huibo Cao

    Oak Ridge National Lab, Oak Ridge National Laboratory, Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA, Neutron Scattering Division, Oak Ridge National Laboratory, Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA, Oak Ridge Natl Lab

  • Erxi Feng

    Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge National Lab

  • jie xing

    University of California Los Angeles

  • Yan Wu

    Oak Ridge National Lab, Oak Ridge National Laboratory

  • Yaohua Liu

    Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge National Lab, Oak Ridge National Laboratory

  • Eve Emmanouilidou

    Department of Physics and Astronomy, University of California Los Angeles, Department of Physics and Astronomy and California Nano Systems Institute, University of California, Los Angeles, CA 90095, USA, University of California Los Angeles

  • Chaowei Hu

    Physics, University of California, Los Angeles, Physics and Astronomy, UCLA, Physics and Astronomy, Univerisity of California, Los Angeles, University of California, Los Angeles, Department of Physics and Astronomy and California NanoSystems Institute, University of California, Department of Physics and Astronomy and California Nano Systems Institute, University of California, Los Angeles, CA 90095, USA, University of California Los Angeles

  • Tianci Song

    University of California Los Angeles

  • Ni Ni

    Univ of California Los Angeles, Physics, University of California, Los Angeles, Physics and Astronomy, UCLA, Department of Physics and Astronomy, University of California Los Angeles, University of California, Los Angeles, Department of Physics and Astronomy and California NanoSystems Institute, University of California, Department of Physics and Astronomy and California Nano Systems Institute, University of California, Los Angeles, CA 90095, USA, University of California Los Angeles, Department of Physics and Astronomy, University of California, Los Angeles