Skip to main content
Log in

The structural and magnetic behaviour of the MgFe2 − xCrxO4 spinel ferrite

  • Published:
Hyperfine Interactions Aims and scope Submit manuscript

Abstract

The crystal structure and magnetic properties of the spinel system MgFe2 − xCrxO4 (with x = 0, 0.2, 0.4, 0.6, 0.8, 1.0) have been investigated by means of X-ray diffraction (XRD), and Mössbauer spectroscopy. The XRD patterns showed the samples were single-phase cubic spinels. The 295 K Mössbauer spectra of the studied samples showed a continuous collapse of the internal magnetic field for both tetrahedral (A) and octahedral [B] sites with increasing Cr contents. Their 78 K Mössbauer spectra showed an ordered magnetic structure for both sites with the internal magnetic fields decreasing with increasing Cr contents. The continuous decrease in the internal magnetic field is interpreted in terms of the weakening of A-B exchange interaction. The cation distribution at tetrahedral (A) and octahedral [B] sites and its effect on Mössbauer parameters is studied. Mg2 +  ions are found to occupy both sites A and B, while Cr3 +  ions occupy site B only.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Navrotsky, A., Kleppa, O.J.: J. Inorg. Nucl. Chem. 29, 2701 (1967)

    Article  Google Scholar 

  2. Lee, S.H., Yoon, S.J., Lee, G.J., Kim, H.S., Yo, C.H., Ahn, K., Lee, D.H., Kim, K.H.: Mater. Chem. Phys. 61, 147 (1999)

    Article  Google Scholar 

  3. Gismelseed, A.M., Yousif, A.A.: Physica B 370, 215–222 (2005)

    Article  ADS  Google Scholar 

  4. Siddique, M., Butt, N.M., Shafi, M., Abbas, T., Misbah-ul-Islam, J.: J. Radioanal. Nucl. Chem. 258, 525 (2003)

    Article  Google Scholar 

  5. Gismelseed, A.M., Mohammed, K.A., Widatallah, H.M., Al-Rawas, A.D., Elzain, M.E., Yousif, A.A.: J. Phys. Conf. Ser. 217, 012138 (2010)

    Article  ADS  Google Scholar 

  6. Krauz, W, Nolze, G.: J. Appl. Crystallogr. 29, 301–303 (1996)

    Article  Google Scholar 

  7. Attia, S.M.: Egypt. J. Solids 29, 329 (2006)

    Google Scholar 

  8. Ata-Allah S.S., Fayek, M.K., Refai, H.S., Mostafa, M.F.: J. Solid State Chem. 149, 434 (2000)

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Abbasher Mahmoud Gismelseed.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Gismelseed, A.M., Mohammed, K.A., Elzain, M.E. et al. The structural and magnetic behaviour of the MgFe2 − xCrxO4 spinel ferrite. Hyperfine Interact 208, 33–37 (2012). https://doi.org/10.1007/s10751-011-0529-8

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10751-011-0529-8

Keywords

Navigation