Journal
JOURNAL OF ELECTRONIC MATERIALS
Volume 51, Issue 6, Pages 2732-2740Publisher
SPRINGER
DOI: 10.1007/s11664-022-09582-y
Keywords
Ni-Zn ferrites; oxalate precursors; X-ray diffraction; FTIR; elastic constants
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This article reports the structural, morphological, and elastic properties of NiXZn1-XFe2O4 ferrimagnetic oxides prepared using oxalate chemistry. The results show that the lattice constant decreases and the elastic moduli remains constant with increasing Ni2+ content.
We report structural, morphological and elastic properties of NiXZn1-XFe2O4 (x = 0.28, 0.30, 0.32, 0.34, 0.36, 0.38, 0.40) ferrimagnetic oxides prepared using oxalate chemistry. The Rietveld refinement of the X-ray diffraction patterns confirm the formation of spinel cubic structure. The experimental and theoretical lattice constant is found to decrease with increasing Ni2+ content. The FTIR spectra exhibit two main fundamental absorption bands, one for the tetrahedral site around 575 to 580 cm(-1) and the other for the octahedral site around 411-413 cm(-1). The magnitude of elastic moduli is found to be independent with increasing Ni2+ content. The morphological analysis showed the formation of small and homogeneous particles, which is possible using an oxalate precursor. The elemental analysis confirmed the presence of Ni, Zn, Fe, and O as per their stoichiometric amounts. The structural, morphological and elastic properties are described with an interplay of oxalate precursor synthesis route of the ferrite development.
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