Spin Excitation in Coupled Honeycomb Lattice Ni$_2$InSbO$_6$

Zheyuan Liu; Taka-hisa Arima; Shinichi Itoh; Shinichiro Asai; Takatsugu Masuda

doi:10.1103/PhysRevB.107.064428

Spin Excitation in Coupled Honeycomb Lattice Ni$_2$InSbO$_6$

Strongly Correlated Electrons 2023-03-08 v1

Authors: Zheyuan Liu , Taka-hisa Arima , Shinichi Itoh , Shinichiro Asai , Takatsugu Masuda

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Abstract

We performed an inelastic neutron scattering experiment on a polycrystalline sample of a helimagnet Ni $_2$ InSbO $_6$ to construct the spin Hamiltonian. Well-defined spin-wave excitation with a band energy of 20 meV was observed below $T_{N} = 76$ K. Using the linear spin-wave theory, the spectrum was reasonably reproduced with honeycomb spin layers coupled along the stacking axis (the $c$ axis). The proposed spin model reproduces the soliton lattice induced by a magnetic field applied perpendicular to the $c$ axis.

Keywords

spin excitation honeycomb lattice Ni2InSbO6 inelastic neutron scattering linear spin-wave theory soliton lattice

Cite

@article{arxiv.2212.05413,
  title  = {Spin Excitation in Coupled Honeycomb Lattice Ni$_2$InSbO$_6$},
  author = {Zheyuan Liu and Taka-hisa Arima and Shinichi Itoh and Shinichiro Asai and Takatsugu Masuda},
  journal= {arXiv preprint arXiv:2212.05413},
  year   = {2023}
}

Comments

8 pages, 5 figures

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