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Investigation of structural, optical, and magnetic properties of Co2+ ions substituted CuFe2O4 spinel ferrite nanoparticles prepared via precipitation approach

Investigation of structural, optical, and magnetic properties of Co2+ ions substituted CuFe2O4... Nanoparticles of undoped and cobalt-doped copper ferrite Cu1-xCoxFe2O4 (x = 0.2, 0.4, 0.6, 0.8, and 1.0) were successfully synthesized by a co-precipitation method. The influence of Co2+ substitutions on the structure, morphological, optical, and magnetic properties of Cu1-xCoxFe2O4 nanoferrites was studied. The crystallite size found by XRD increased from ∼ 10 to∼ 25 nm. The lattice parameter increased from 8.332 to 8.371 Å with increasing the Co2+ content. The FTIR spectra of Cu1-xCoxFe2O4 display two strong absorption bands in the range of 400–200 cm−1. The band gap energy of nanoferrites is found to decrease from 3.65 to 3.20 eV with an increase in the content of Co2+ ions. It has been observed that the luminescence intensity decreases in copper ferrite matrices with an increase in the ratio of Co2+. The results show the magnetic properties of copper ferrite are significantly affected by the doping amount of Co2+ ions. The saturation magnetization increases with increasing cobalt ion concentration as indicated in the M-H loops. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of the Australian Ceramic Society Springer Journals

Investigation of structural, optical, and magnetic properties of Co2+ ions substituted CuFe2O4 spinel ferrite nanoparticles prepared via precipitation approach

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References (70)

Publisher
Springer Journals
Copyright
Copyright © Australian Ceramic Society 2021
ISSN
2510-1560
eISSN
2510-1579
DOI
10.1007/s41779-020-00556-z
Publisher site
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Abstract

Nanoparticles of undoped and cobalt-doped copper ferrite Cu1-xCoxFe2O4 (x = 0.2, 0.4, 0.6, 0.8, and 1.0) were successfully synthesized by a co-precipitation method. The influence of Co2+ substitutions on the structure, morphological, optical, and magnetic properties of Cu1-xCoxFe2O4 nanoferrites was studied. The crystallite size found by XRD increased from ∼ 10 to∼ 25 nm. The lattice parameter increased from 8.332 to 8.371 Å with increasing the Co2+ content. The FTIR spectra of Cu1-xCoxFe2O4 display two strong absorption bands in the range of 400–200 cm−1. The band gap energy of nanoferrites is found to decrease from 3.65 to 3.20 eV with an increase in the content of Co2+ ions. It has been observed that the luminescence intensity decreases in copper ferrite matrices with an increase in the ratio of Co2+. The results show the magnetic properties of copper ferrite are significantly affected by the doping amount of Co2+ ions. The saturation magnetization increases with increasing cobalt ion concentration as indicated in the M-H loops.

Journal

Journal of the Australian Ceramic Society – Springer Journals

Published: Jan 14, 2021

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