Magnetic properties of the quasi-one-dimensional S=1 spin chain antiferromagnet BaNiTe2 O7

Xiyu Chen, Yiming Gao, Meifeng Liu, Tao Zou, V. Ovidiu Garlea, Clarina Dela Cruz, Zhen Liu, Wenjing Niu, Leili Tan, Guanzhong Zhou, Fei Liu, Shuhan Zheng, Zhen Ma, Xiuzhang Wang, Hong Li, Shuai Dong, Jun Ming Liu

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Abstract

We report a quasi-one-dimensional S=1 spin chain compound BaNiTe2O7. This magnetic system has been investigated by magnetic susceptibility, specific heat, and neutron powder diffraction. These results indicate that BaNiTe2O7 develops a short-range magnetic correlation around T∼22K. With further cooling, an antiferromagnetic phase transition is observed at TN∼5.4K. Neutron powder diffraction revealed antiferromagnetic noncollinear order with a commensurate propagation vector k=(1/2,1,0). The refined magnetic moment size of Ni2+ at 1.5 K is 1.84μB, and its noncollinear spin texture is confirmed by first-principles calculations. Inelastic neutron-scattering results and density functional theory calculations confirmed the quasi-one-dimensional nature of the spin systems.

Original languageEnglish
Article number094404
JournalPhysical Review Materials
Volume7
Issue number9
DOIs
StatePublished - Sep 2023

Funding

This work was supported by the National Natural Science Foundation of China (Grants No. 12074111, No. 52272108, No. 92163210, and No. 11834002). National Natural Science Foundation of China No. 12204160 and the Hubei Provincial Natural Science Foundation of China with Grant No. 2023AFA105. A portion of this research used resources at High Flux Isotope Reactor and Spallation Neutron Source, DOE Office of Science User Facilities operated by the Oak Ridge National Laboratory. Y.M.G. and S.D. thank the Big Data Center of Southeast University for providing the facility support for the calculations.

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