Research Output
Field-induced quantum spin disordered state in spin-1/2 honeycomb magnet Na2Co2TeO6
  Spin-orbit coupled honeycomb magnets with the Kitaev interaction have received a lot of attention due to their potential of hosting exotic quantum states including quantum spin liquids. Thus far, the most studied Kitaev systems are 4d/5d-based honeycomb magnets. Recent theoretical studies predicted that 3d-based honeycomb magnets, including Na2Co2TeO6 (NCTO), could also be a potential Kitaev system. Here, we have used a combination of heat capacity, magnetization, electron spin resonance measurements alongside inelastic neutron scattering (INS) to study NCTO’s quantum magnetism, and we have found a field-induced spin disordered state in an applied magnetic field range of 7.5 T < B (⊥ b-axis) < 10.5 T. The INS spectra were also simulated to tentatively extract the exchange interactions. As a 3d-magnet with a field-induced disordered state on an effective spin-1/2 honeycomb lattice, NCTO expands the Kitaev model to 3d compounds, promoting further interests on the spin-orbital effect in quantum magnets.

  • Type:

    Article

  • Date:

    21 September 2021

  • Publication Status:

    Published

  • Publisher

    Springer Science and Business Media LLC

  • DOI:

    10.1038/s41467-021-25567-7

  • Cross Ref:

    10.1038/s41467-021-25567-7

  • Funders:

    China Postdoctoral Science Foundation; National Natural Science Foundation of China

Citation

Lin, G., Jeong, J., Kim, C., Wang, Y., Huang, Q., Masuda, T., …Ma, J. (2021). Field-induced quantum spin disordered state in spin-1/2 honeycomb magnet Na2Co2TeO6. Nature Communications, 12(1), Article 5559 (2021). https://doi.org/10.1038/s41467-021-25567-7

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