Influence of Fe2+ substitution on FTIR and Raman spectra of Mn ferrite nanoparticles

The effect of Fe2+ substitution on FTIR and Raman spectra of Mn ferrites (Mn1−xFexFe2O4; x = 0.0, 0.1, 0.2, 0.4, and 0.6) nanoparticles, synthesized using the co-precipitation method, has been studied. The FTIR spectra of the synthesized nanoparticles have high-frequency bands of ∼ 510–530 cm−1 corr...

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Bibliographic Details
Published in:Vibrational spectroscopy 2023-05, Vol.126, p.103540, Article 103540
Main Authors: Jain, Richa, Gulati, Sudha
Format: Article
Language:English
Subjects:
Co-precipitation, Fe2+ Doping
FTIR
MnFe2O4
Nanoparticles
Raman
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Summary:The effect of Fe2+ substitution on FTIR and Raman spectra of Mn ferrites (Mn1−xFexFe2O4; x = 0.0, 0.1, 0.2, 0.4, and 0.6) nanoparticles, synthesized using the co-precipitation method, has been studied. The FTIR spectra of the synthesized nanoparticles have high-frequency bands of ∼ 510–530 cm−1 corresponding to the vibrations of tetrahedral sites (ν1) and low-frequency band (ν2) of ∼ 430–460 cm−1 revealing vibrations of octahedral sites. The shifting of wavenumber with Fe2+ substitution revealed the presence of Fe2+ on the octahedral sites. The Raman peaks were obtained at 191 cm−1, 327 cm−1, 573 cm−1, 605 cm−1, and 674 cm−1 for pure Mn ferrite nanoparticles and shifted with Fe2+ substitution showing the presence of Fe2+ at the octahedral sites. [Display omitted]
ISSN:0924-2031
1873-3697
DOI:10.1016/j.vibspec.2023.103540