Abstract
Nanosize zinc ferrite particles, prepared by nitrate method, were investigated by XRD, TEM, 57Fe Mössbauer spectroscopy and VSM. The average particle size in this system varies from 10 to 62 nm as the sintering temperature increases from 300°C to 1,000°C. The lattice parameters in this system are almost constant at a value of ∼8.41 Å. The Mössbauer spectra of all the sintered samples show a single doublet. The Mössbauer hyperfine parameters show little change with the change of sintering temperature. The doublets are ascribed to the presence of superparamagnetism in this system, which is also corroborated by the VSM measurements.
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Singh, J.P., Srivastava, R.C., Agrawal, H.M. et al. 57Fe Mössbauer spectroscopic study of nanostructured zinc ferrite. Hyperfine Interact 183, 221–228 (2008). https://doi.org/10.1007/s10751-008-9756-z
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DOI: https://doi.org/10.1007/s10751-008-9756-z