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Title: Single-crystal and powder neutron diffraction experiments on FePS3: search for the magnetic structure
Authors: Rule, KC
McIntyre, GJ
Kennedy, SJ
Hicks, TJ
Keywords: Layers
Neutron diffraction
Issue Date: Oct-2007
Publisher: American Physical Society
Citation: Rule, K. C., McIntyre, G. J., Kennedy, S. J., & Hicks, T. J. (2007). Single-crystal and powder neutron diffraction experiments on FePS3: search for the magnetic structure. Physical Review B, 76(13), 134402. doi:10.1103/PhysRevB.76.134402
Abstract: The long-accepted magnetic structure of FePS3 has recently been refuted through extensive powder neutron diffraction studies. Single-crystal neutron diffraction, using both quasi-Laue and monochromatic techniques, has now been conducted to reveal more information about the nature of the magnetic ordering in this compound. The magnetic unit cell was found to be twice as large as the crystallographic cell in both the α and ь directions and around three times as large along the с direction, giving a propagation vector of [1/2 1/2 0.34]. There is incomplete long-range magnetic order along the c* direction due to weak Fe-Fe interactions and large anisotropy in that direction. The variation of the spontaneous moment with temperature closely resembles that for an antiferromagnetic two-dimensional Ising model on a honeycomb lattice. © 2007, American Physical Society
Gov't Doc #: 1202
ISSN: 1098-0121
Appears in Collections:Journal Articles

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