Synthesis, structural, magnetic and sodium deinsertion/insertion properties of a sodium ferrous metaphosphate, NaFe(PO3)3
2015
Abstract A metaphosphate NaFe(PO 3 ) 3 compound has been obtained by solid state method here. This title compound belongs to the orthorhombic structure with the space group of P 2 1 2 1 2 1 (No. 19) and lattice parameters of a = 14.3390(3) A, b = 14.3374(2) A, c = 14.3642(1) A. Its structure can be described as made up of infinite (PO 3 ) 1− chains connected by FeO 6 octahedra, while the monovalent Na cations are located in the tunnels determined by the connection of PO 4 tetrahedrons and FeO 6 octahedrons. Besides, the morphology, vibrational spectra, magnetic and sodium deinsertion/insertion properties of NaFe(PO 3 ) 3 compound are also presented and discussed here for the first time, which can provide more information about the physicochemical properties of this metaphosphate compound.
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