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Study of NiFe2O4 nanoparticles using Mössbauer spectroscopy with a high velocity resolution

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Abstract

The nanocrystalline NiFe2O4 particles prepared by solution combustion synthesis technique using different fuels such as ethylene-diamine-tetra-acetic acid (NA sample) and urea (NB sample) were studied using magnetic measurement and 57Fe Mössbauer spectroscopy with a high velocity resolution. The temperature dependence of magnetization is different for the two samples. Mössbauer spectra demonstrate the necessity to use more than two magnetic sextets, usually used to fit the NiFe2O4 nanoparticles spectra. Evaluation of the different local microenvironments for Fe in both tetrahedral (A) and octahedral (B) sites, caused by different Ni2 +  occupation of octahedral sites, demonstrates at least five different local microenvironments for both A and B sites. Therefore, the Mössbauer spectra were fitted by using ten magnetic sextets which are related to the spread 57Fe location in octahedral and tetrahedral sites.

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Authors and Affiliations

  1. Department of Physical Techniques and Devices for Quality Control, Institute of Physics and Technology, Ural Federal University, Ekaterinburg, 620002, Russian Federation

    M. I. Oshtrakh, M. V. Ushakov & V. A. Semionkin

  2. Department of Experimental Physics, Institute of Physics and Technology, Ural Federal University, Ekaterinburg, 620002, Russian Federation

    M. I. Oshtrakh, M. V. Ushakov & V. A. Semionkin

  3. Solid State Ionics and Energy Devices Laboratory, Department of Physics, Bharathiar University, Coimbatore, 641 046, India

    B. Senthilkumar & R. Kalai Selvan

  4. School of Physics, Alagappa University, Karaikudi, 630 006, Tamil Nadu, India

    C. Sanjeeviraja

  5. Racah Institute of Physics, The Hebrew University, Jerusalem, Israel

    I. Felner

Authors
  1. M. I. Oshtrakh
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  2. M. V. Ushakov
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  3. B. Senthilkumar
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  4. R. Kalai Selvan
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  5. C. Sanjeeviraja
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  6. I. Felner
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  7. V. A. Semionkin
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Correspondence to M. I. Oshtrakh.

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Oshtrakh, M.I., Ushakov, M.V., Senthilkumar, B. et al. Study of NiFe2O4 nanoparticles using Mössbauer spectroscopy with a high velocity resolution. Hyperfine Interact 219, 7–12 (2013). https://doi.org/10.1007/s10751-012-0660-1

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  • DOI: https://doi.org/10.1007/s10751-012-0660-1

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