Magnetic field effects on the quantum spin liquid behaviors of NaYbS2

  • Jiangtao Wu
  • , Jianshu Li
  • , Zheng Zhang
  • , Changle Liu
  • , Yong Hao Gao
  • , Erxi Feng
  • , Guochu Deng
  • , Qingyong Ren
  • , Zhe Wang
  • , Rui Chen
  • , Jan Embs
  • , Fengfeng Zhu
  • , Qing Huang
  • , Ziji Xiang
  • , Lu Chen
  • , Yan Wu
  • , E. S. Choi
  • , Zhe Qu
  • , Lu Li
  • , Junfeng Wang
  • Haidong Zhou, Yixi Su, Xiaoqun Wang, Gang Chen, Qingming Zhang, Jie Ma

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Spin-orbit coupling is an important ingredient to regulate the many-body physics, especially for many spin liquid candidate materials such as rare-earth magnets and Kitaev materials. The rare-earth chalcogenides (Ch = O, S, Se) is a congenital frustrating system to exhibit the intrinsic landmark of spin liquid by eliminating both the site disorders between and ions with the big ionic size difference and the Dzyaloshinskii-Moriya interaction with the perfect triangular lattice of the ions. The temperature versus magnetic-field phase diagram is established by the magnetization, specific heat, and neutron-scattering measurements. Notably, the neutron diffraction spectra and the magnetization curve might provide microscopic evidence for a series of spin configuration for in-plane fields, which include the disordered spin liquid state, 120° antiferromagnet, and one-half magnetization state. Furthermore, the ground state is suggested to be a gapless spin liquid from inelastic neutron scattering, and the magnetic field adjusts the spin orbit coupling. Therefore, the strong spin-orbit coupling in the frustrated quantum magnet substantially enriches low-energy spin physics. This rare-earth family could offer a good platform for exploring the quantum spin liquid ground state and quantum magnetic transitions.

Original languageEnglish
Article number13
JournalQuantum Frontiers
Volume1
Issue number1
DOIs
StatePublished - Dec 2022

Funding

J.M. and X.Q.W. acknowledge additional support from a Shanghai talent program. Q.M.Z. acknowledges the support from Users with Excellence Program of Hefei Science Center and High Magnetic Field Facility, CAS and the synergetic Extreme Condition User Facility (SECUF), CAS. Q.H. and H.Z. thank the support from NSF-DMR-2003117. F.Z., E.F. and Y.S. thank the support of the OCPC-HGF Postdoctoral Fellowship. The torque magnetometry work at Michigan was supported by the U.S. Department of Energy (DOE) under Award No. DE-SC0020184. A portion of this work was performed at the National High Magnetic Field Laboratory, which is supported by the National Science Foundation Cooperative Agreement No. DMR-1644779 and the State of Florida. This work is supported by the Ministry of Science and Technology of China (Grant No. 2022YFA1402700, 2018YFGH000095), the NSF of China (Grant No. U2032213, 11774223, 12274186, 11774352, 11974244, U1832214, and U1932215), the interdisciplinary program Wuhan National High Magnetic Field Center (Grant No. WHMFC 202122), Huazhong University of Science and Technology, and the Research Grants Council of Hong Kong with General Research Fund Grant No. 17303819 and the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB33010100). Open Access funding provided by Shanghai Jiao Tong University.

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