I got the hysteresis loop with a small area along with doublets in the RT-Mössbauer spectrum. Doublets indicates presence of small superparamagnetic particles. But it is not expected loop in hysteresis for superparamagnetic particles. To explain this I wrote
"The hysteresis loop along with doublets in the Room-temperature Mössbauer spectrum indicates presence of small superparamagnetic particles along with larger sized ferrimagnetic particles"-
Review came with a question- Why isn't the existence of larger ferrimagnetic particles reflected on the Mössbauer spectrum on the form of sextets?
Please help me to answer this.
Write that you do not have large particles. See the behavior of magnetic magnetite nanoparticles in bacteria according to the results of the Mössbauer spectra.
https://kpfu.ru/portal/docs/F1933057709/M_ssbauer.spectroscopy.and.its.applications.pdf
The reviewer probably meant:
Why isn't the existence of larger ferrimagnetic particles reflected on the Mössbauer spectrum IN the form of sextets?
The answer is, as Yuri stated, that the absence of sextets corresponding to the larger particles below their blocking temperatures indicates that there are no such particles. So your original claim
"The hysteresis loop along with doublets in the Room-temperature Mössbauer spectrum indicates presence of small superparamagnetic particles along with larger sized ferrimagnetic particles"
should not contain the part "along with larger sized ferrimagnetic particles"
And you have to explain the shape of the hysteresis loops by some other means.
What about the XRD data? Particle size estimated from XRD data should be compatible with the superparamagentic results of the M-H hysteresis loop. Any large ferrimagnetic particles would appear in XRD pattern.
Adel Maher Wahba sir,
Rietveld Fullprof fit and Scherrer TEM results gives crystallite size is 5 nm only.
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