Influence of the sintering temperature on the morphology and structural properties of Ni-Mg substituted of cobalt ferrites


  • R. M. Rosnan Universiti Teknologi Malaysia
  • Zulkafli Othman
  • A. A. Ati



Co0.5Ni0.5−xMgxFe2O4, Spinel nanoferrites, co-precipitation, cobalt ferrite,


This study evaluates the morphology and structural properties of Ni-Mg substituted Cobalt ferrite samples prepared through the co-precipitation method. The nominal composition of Co0.5Ni0.5−xMgx Fe2O4 in the range x = 0.1 have been synthesized and then were sintered at temperature 700 and 1000°C for 10 hour with a heating rate of 5°C/min. The prepared nano-ferrites were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and field emission scanning electron microscopy (FESEM). XRD confirmed formation of single phase spinel ferrite with average crystalline size in the range of 40–120 nm. Further information about the structure and morphology of the nanoferrites was obtained from FESEM and results are in good agreement with XRD.


Y. I. Kim, D. Kim and C. S. Lee, Synthesis and characterization of CoFe2O4 magnetic nanoparticles prepared by temperature-controlled co-precipitation method, Physica B. 337 (2003) 42-51.

N. Bao, L. Shen, P. Padhan and A. Gupta, Self-assembly and Magnetic Properties of Shape-Controlled Monodisperse CoFe2O4 Nanocrystals, Appl. Phys. Lett. 92 (2008) 173101-3.

M. Sangmanee and S. Maensiri, Nanostructures and magnetic properties of cobalt ferrite (CoFe2O4) fabricated by electrospinning, Appl. Phys. A. 97 (2009) 167–177.

M. A. Ahmed, S. F. Mansur and M. A. Abdo, Characterization and dramatic variations of the magnetic properties of Cu-doped nanometric Co ferrite, Phys. Scr. 84 (2011) 055602 (5pp).

J. Amighian, M. Mozaffari and B. Nasr, Proparation of nano-sized manganese ferrite (MnFe2O4) via coprecipitation method, Phys. Status Solidi C. 3 (2006) 3188-3192.

S.R. Kulal, S.S. Khetre, P.N. Jagdale, V.M. Gurame, D.P. Waghmode, G.B. Kolekar, S.R. Sabale, S.R. Bamane, Mater. Lett. 84 (2012) 169–172.

S.C. Choudhari, A.K. Ghatage, S.A. Patil, Journal of Mater. Sci. Lett. 15 (1996) 1548–1550.

M. Ishaque, M.U. Islam, M. Azhar Khan, I.Z. Rahman, A. Genson, S. Hampshire. Structural, Electrical and Dielectric Properties of Yttrium Substituted Nickel Ferrites, Physica B: Condensed Matter. 405, (2010) 1532-1540.

M. Hashim, Alimuddin, S. Kumar, S.E. Shirsath, R.K. Kotnala, J. Shah, R. Kumar, Synthesis and characterizations of Ni2+ substituted cobalt ferrite nanoparticles, Mater. Chem. Phys. 139 (2013) 364–374.

R.G. Snyder, S.L. Hsu, S. Krimm, Vibrational spectra in the C-H stretching and the structure of the polymethylene chain, Spectrochim. Acta A. 34 (1978) 395–406.

M. M. Haque, K. H. Maria, S. Choudhury, M. A. Bhuiyan and M. A. Hakim. Synthesis, Microstructure and Magnetic Properties of Ni-Mg Ferrites, J. Ceram. Process. Res. 14, (2013) 82–86.