Influence of dysprosium cation on structural and magnetic properties‌ of thin films nickel-cobalt ferrite: using spray pyrolysis method

Khobzade, Jalil; Avazpour, Abolghasem; Modaberasl, Ali; Nikzad, Alireza

doi:10.47176/ijpr.24.3.11791

Influence of dysprosium cation on structural and magnetic properties‌ of thin films nickel-cobalt ferrite: using spray pyrolysis method

Document Type : Original Article

Authors

Jalil Khobzade

Abolghasem Avazpour

Ali Modaberasl

Alireza Nikzad

Physics Departement, College of Sciences, Yasouj University, Yasouj, Iran

https://doi.org/10.47176/ijpr.24.3.11791

Abstract

In this study, nickel-cobalt ferrite nanoparticles were prepared using spray pyrolysis. X-Ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), and Vibration Sample Magnetometer (VSM) were used to examine the structural and magnetic properties of the obtained samples. In addition, the size, dispersion, and morphology of the particles on the surface of the glass substrate were observed and analyzed by atomic force microscope (AFM). The amount of dysprosium cation contamination was x=0.0, 0.025, 0.05, 0.075, and 1.0. All the peaks identified in the diffraction patterns of the samples were in good agreement with the reference card, and the Miller indices were indexed. FTIR spectra were obtained in the wavenumber range of 400-2000 cm^-1. The hysteresis loops are symmetric, and an increasing or decreasing trend of the parameters can be observed. This shows the high purity of the prepared samples without any distorted phases. In this study, the amount of magnetization (Ms) decreased, whereas an increasing trend was observed for the coercivity (Hc). The prepared magnetic nanoparticles have many applications in ferrofluids, color imaging, magnetic cooling, drug delivery, detoxification of biological fluids, and magnetic cell separation. In addition, they can be used in miniaturized inductive electric sensors, inductors, high-frequency equipment, and biotechnological applications.

Keywords

nanoparticles

magnetic properties

nickel-cobalt ferrite

spray pyrolysis

Subjects

Nanomaterials

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