Authors
Yanhong Wang, Shuaikun Li, Haibo Li, Yun Lv, Olga S Volkova, Alexander N Vasiliev, Zhengcai Xia, Hyun-Joo Koo, Myung-Hwan Whangbo, Hongcheng Lu
Published in
Inorganic chemistry. Volume 65. Issue 32. Pages 19011-19019. Aug 17, 2026.
Abstract
Low-dimensional quantum magnets exhibit exotic quantum phenomena such as short-range order, spin gap, and spin liquid, with potential applications in spintronics and quantum technologies. These quantum phenomena are usually observed in magnetic systems with strong spin exchange mediated by monatomic ions like O2-, particularly with small quantum spins S. Herein, we report that IO3- polyatomic ions mediate efficient spin exchange, resulting in the rarely observed short-range magnetic order at 13.8 K in a novel two-dimensional S = 5/2 iodate-fluoride, LiFe(IO3)2F2, with a honeycomb lattice. This is also supported by a negative Weiss temperature of -25 K and DFT calculations. The compound further undergoes a three-dimensional antiferromagnetic (AFM) long-range order at 9.9 K following the short-range ordering. In addition, the magnetization measured at 2 K reveals a spin-flop transition around 4.4 T. These findings demonstrate that the IO3- bridge provides a new strategy to chemically construct novel low-dimensional magnetic systems, offering a platform to explore exotic quantum phenomena and enabling potential applications in quantum computing and spin-based technologies.
PMID:
42606255
Bibliographic data and abstract were imported from PubMed on 17 Aug 2026.
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