Investigation of the Structural Properties of Chromium-Zinc Spinel Ferrite by Sol-Gel Technique

Abubakar Wada¹ , Mohammad Aliyu² , Dauda Abubakar³ , Ibrahim Maina⁴ , Muhammad Abbas Salisu⁵

Section:Research Paper, Product Type: Journal-Paper
Vol.10 , Issue.2 , pp.1-6, Jun-2023

Online published on Jun 30, 2023

Copyright © Abubakar Wada, Aliyu Mohammad Aliyu, Dauda Abubakar, Ibrahim Maina, Muhammad Abbas Salisu . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
The research on ferrites is fast moving to their exponentially growing applications in magnetic shielding, magnetic biosensors, magnetic recording devices, information storage, mobile communication, electronic devices, gyromagnetic device, medical device, transformers, pollution control, catalysis and pigments. Zinc-chromium ferrites doped aluminium with chemical formula ?Cr?_0.7x?Zn?_0.3 Fe2-x?Al?_x O4 (x= 0.0?x? 0.5) were successfully prepared by sol-gel technique. The aim of this research was to investigate the effect of Al3+ ion substitution on the structural properties of Cr-Zn ferrite. The structural characterizations of the samples were analyzed by using X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR). The single phase spinel cubic structure of all the prepared samples were tested by XRD and FTIR. The influence of Al3+ substitutions on the structural properties of the prepared nanoferrite were studied. The crystal size found by XRD decreased from 26.57nm to 14.62nm and the lattice parameters “a” also decreased from 8.4196 to 8.3689Å with increasing the Al3+ content. Formation of spinel structure is affirmed by using FTIR and the spectra of the samples displayed two strong absorption bands (?1 and ?2) in the range of 600-400cm-1 and are found to shift gradually toward the higher frequency side with substitution of Al3+, which have been attributed to the decrease in the lattice constant. It is expected this research work will provide important contribution to the production of electronic devices and transformers.

Key-Words / Index Term :
Sol-gel technique; Nanoparticles; Spinel ferrite; XRD; FTIR; Structural properties.

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