期刊
PHYSICAL REVIEW RESEARCH
卷 2, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.2.043020
关键词
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资金
- Center for Novel Pathways to Quantum Coherence in Materials, an Energy Frontier Research Center - US Department of Energy, Office of Science, Basic Energy Sciences
- Gordon and Betty Moore Foundation's EPiQS Initiative [GBMF9067]
- NSF
- NSF DGE [1752814]
- National Science Foundation [DMR-1644779]
- State of Florida
We perform high-field magnetization measurements on the triangular lattice antiferromagnet Fe1/3NbS2. We observe a plateau in the magnetization centered at approximately half the saturation magnetization over a wide range of temperature and magnetic field. From density functional theory calculations, we determine a likely set of magnetic exchange constants. Incorporating these constants into a minimal Hamiltonian model of our material, we find that the plateau and the Z(3) symmetry-breaking ground state both arise from the competition of interplane and intraplane exchange interactions. These findings are pertinent to the magnetoelectric properties of Fe1/3NbS2, which allow electrical switching of antiferromagnetic textures at relatively low current densities.
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