Canted Antiferromagnetism in the Quasi-1D Iron Chalcogenide BaFeSe
arXiv:2008.08809 · doi:10.1103/PhysRevB.102.180403
Abstract
We report the synthesis and physical properties studies of quais-1D iron chalcogenide which shares the tetrahedra building motif commonly seen in the iron chalcogenide superconductors. A high-quality polycrystalline sample was achieved by solid-state reaction method and characterized by X-ray diffraction, electrical resistivity, magnetic susceptibility and neutron diffraction measurements. is a narrow gap semiconductor that magnetically orders at 310 K. Both neutron powder diffraction results and isothermal M-H loops suggest a canted antiferromagnetic structure where Fe sublattice are antiferromagnetically ordered along the c-axis quasi-1D chain direction, resulting in a net ferromagnetic moment in the perpendicular direction along the a-axis with tilted angle of 18.7 towards the b-axis.
arXiv comment8 pages, 4 figures
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