Chem. J. Chinese Universities

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Construction and Magnetic Properties of Low-Dimensional Ytterbium(III) Coordination Polymers Based on Formate and Oxalate Co-Ligands

ZHAI Xiaolu1, LV Yun1, LI Hui1, HUANG Keke2, WANG Yanhong1*, LU Hongcheng1,3   

  1. 1. School of Chemistry and Chemical Engineering, Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Materials Chemistry and Service Failure, Huazhong University of Science and Technology 2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University 3. Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology
  • Received:2026-05-10 Revised:2026-05-28 Online:2026-05-31 Published:2026-05-31
  • Contact: Hongcheng LU E-mail:yhw1006@hust.edu.cn
  • Supported by:
    Supported by the National Natural Science Foundation of China(No.22422111)

Abstract: A novel layered magnetic ytterbium coordination compound, Yb(HCOO)(C2O4)(1,10-phen) (1,10-phen = 1,10-phenanthroline), has been successfully synthesized via a solvothermal method. Its crystal structure and magnetic properties were characterized by X-ray diffraction, infrared spectroscopy, thermogravimetric analysis, and magnetic susceptibility measurements. Single-crystal structure analysis reveals that the magnetic Yb3+ ions are connected by formate and oxalate ligands to form a square magnetic lattice, with adjacent layers separated by 1,10-phen ligands. Magnetic measurements show that the dominate interaction between the Yb3+ ions is antiferromagnetic, and no long-range magnetic order is observed down to 2?K. This study provides a new synthetic strategy for constructing low-dimensional magnetic rare-earth coordination compounds.

Key words: Low-dimensional magnetism, Crystal structure, Ytterbium coordination compound, Solvothermal method

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