Abstract
Magnetic nanomaterials have been extensively studied due to their numerous applications in almost all types of electronics as well as in biomedical fields. In this work, Ni0.65Zn0.35NdxFe2-xO4 nanoparticles (0.00 ≤ x ≥ 0.075) have been prepared by co-precipitation method. The structural and electromagnetic properties were tuned by doping of rare earth. The prepared nano-ferrites were annealed in furnace for 5 h at 800 °C. The structural, spectral, magnetic and electrical behavior of Ni0.65Zn0.35NdxFe2-xO4 nanoparticles was investigated by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, vibrating sample magnetometery (VSM) and current voltage measurement (I-V) measurements. The objective of this work is to study the variation of magnetic and electric properties as a function of concentration of dopant i.e. rare earth Nd3+ cations. Formation of single phase in all prepared sample except x = 0.075 was confirmed by XRD analysis and estimated crystallite size was 14–26 nm. The lattice parameter, electric properties and magnetic parameters showed non-linear behavior with the doping of Nd+3. Intrinsic metal ion vibrations of spinel ferrites were explained by FTIR spectra recorded in the range of 400–2000 nm. Influence of Nd+3 contents on structural, magnetic, and electrical parameters has been discussed in detail.