Stabilization of zigzag order in ${\mathrm{NiPS}}_{3}$ via positive biquadratic interaction
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论文直接研究受挫磁性材料中竞争交换与双二次相互作用如何稳定锯齿磁序，属于量子自旋体系磁序稳定机制的核心问题。
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Author(s): Qiang Luo, Shuhang Yang, Xiaoying Wang, Mengdong Li, Zhengyu Jiang, Chunlan Ma, and Yan Zhu Despite extensive research, the precise spin Hamiltonian of the van der Waals antiferromagnet ${\mathrm{NiPS}}_{3}$—which hosts a zigzag-ordered ground state—remains debated. While consensus has emerged on ferromagnetic nearest-neighbor (${J}_{1}$) and antiferromagnetic third-nearest-neighbor (${J}_… [Phys. Rev. B 114, 034426] Published Fri Jul 31, 2026