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Title: Magnetic structure and properties of the rechargeable battery insertion compound Na2FePO4F
Authors: Avdeev, M
Ling, CD
Tan, TT
Li, S
Oyama, G
Yamada, A
Barpanda, P
Keywords: Neutron diffraction
Magnetic properties
Crystal structure
Radioisotope batteries
Issue Date: 26-Dec-2013
Publisher: American Chemical Society
Citation: Avdeev, M., Ling, C. D., Tan, T. T., Li, S., Oyama, G., Yamada, A., & Barpanda, P. (2014) Magnetic structure and properties of the rechargeable battery insertion compound Na2FePO4F. Inorganic Chemistry, 53(2), 682–684. doi:10.1021/ic402513d
Abstract: The magnetic structure and properties of sodium iron fluorophosphate Na2FePO4F (space group Pbcn), a cathode material for rechargeable batteries, were studied using magnetometry and neutron powder diffraction. The material, which can be described as a quasi-layered structure with zigzag Fe-octahedral chains, develops a long-range antiferromagnetic order below ∼3.4 K. The magnetic structure is rationalized as a super-exchange-driven ferromagnetic ordering of chains running along the a-axis, coupled antiferromagnetically by super-super-exchange via phosphate groups along the c-axis, with ordering along the b-axis likely due to the contribution of dipole–dipole interactions. © 2013 American Chemical Society
ISSN: 1520-510X
Appears in Collections:Journal Articles

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