Synthesis and characterization of Bi 1−x Nd x FeO 3 (0 ≤ x ≤ 0.3) prepared by thermal decomposition of Bi 1−x Nd x [Fe(CN) 6 ]·4H 2 O
作者： M. C. Navarro , G. Jorge , R. M. Negri , L. M. Saleh Medina , M. I. Gómez
DOI: 10.1007/S10973-015-4669-Y
关键词:
摘要: The series of polycrystalline heteronuclear complexes, Bi1−xNdx[Fe(CN)6]·4H2O (0 ≤ x ≤ 0.3), was successfully synthesized and characterized, by means powder X-ray diffraction (PXRD) infrared spectroscopy. thermal behaviour studied thermogravimetric differential analysis. crystal structure the complexes refined Rietveld It found that they crystallized in orthorhombic system, space group Cmcm. lattice parameters unit cell volume decrease with an increase Nd concentration. In order to obtain oxides Bi1−xNdxFeO3, decomposition inorganic Bi1−xNdx[Fe(CN)6]·4H2O, has been investigated. By analysis PXRD data, synthesis confirmed, evidencing series, a gradual change from rhombohedra triclinic. Furthermore, content Bi1−xNdxFeO3 oxides, impurity phases, such as Bi2O3, Bi2Fe4O9 Bi25FeO39 associated BiFeO3, are reduced. morphology chemical composition were investigated microscopy electronic scattering energy-dispersive electrical magnetic properties have determined characterize obtained oxides.
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