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Received April 13, 2021
Accepted August 31, 2021
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Fabrication & characterization of novel conductive nanomaterial, CaxCr0.5-xMg0.5Fe2O4

1Department of Polymer Engineering and Technology, University of the Punjab, Pakistan, Korea 2PITMAEM, PCSIR Laboratories Complex Ferozepur Road Lahore, Pakistan 3Department of Physics, University of Lahore, Pakistan 4Department of Chemical and Materials Engineering, King Abdulaziz University, Rabigh 21911, Saudi Arabia 5School of Engineering, RMIT University, Melbourne VIC 3001, Australia
Korean Journal of Chemical Engineering, December 2021, 38(12), 2536-2540(5), 10.1007/s11814-021-0946-6
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Abstract

A novel conductive nano material, nano spinel ferrites having the composition of calcium chromium magnesium nanoferrites (CaxCr0.5-xMg0.5Fe2O4), was fabricated via sol-gel auto combustion process. The main objective was to fabricate highly stable nanocomposite as conductive material. Reaction among highly pure grade magnesium nitrate Mg (NO3)2ㆍ6H2O, calcium nitrate Ca (NO3)2ㆍ4H2O, and chromium nitrate Cr (NO3)3ㆍ9H2O, ferric nitrate Fe (NO3)3ㆍ9H2O took place to fabricate the desired material and, later on, an inductance (L)--capacitance (C)--resistance (R) meter (LCR meter) was used to determine the conductive behavior of the material. During characterization, thermogravimetric study confirmed that the stable phase was obtained above 950 °C. Fabricated ferrite FTIR spectrum was observed between 400 cm-1 and 4,500 cm-1. The entire sample's structural investigation was carried out employing X-ray diffraction. Morphological analysis confirmed that particles possess angular structures having acute angles adjoining surfaces. During conductivity test, all fabricated nanoferrites presented that with the increase of frequency by LCR meter, AC conductivity had been increased. The outcome of doping of calcium on chromium magnesium nanoferrites on structural in addition to dielectric properties was synergistic.

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