Influence of cobalt substitution in CoFe2O4 nanoparticles on structural, morphological, cation distribution, optical and magnetic properties
This paper presents the first-time synthesis of CoFe2−xCoxO4 nanoparticles (where x = 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6) through hydrothermal methods utilizing metal chloride precursors. X-ray diffraction (XRD) analysis confirms the formation of a cubic spinel structure characterized by the Fd3¯...
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| Language: | English |
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Elsevier
2025-01-01
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| Series: | Heliyon |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405844024173070 |
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| author | Z. Mosleh M. Beygmohammadvand A. Ghotbi Varzaneh P. Kameli |
| author_facet | Z. Mosleh M. Beygmohammadvand A. Ghotbi Varzaneh P. Kameli |
| author_sort | Z. Mosleh |
| collection | DOAJ |
| description | This paper presents the first-time synthesis of CoFe2−xCoxO4 nanoparticles (where x = 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6) through hydrothermal methods utilizing metal chloride precursors. X-ray diffraction (XRD) analysis confirms the formation of a cubic spinel structure characterized by the Fd3¯m space group. Field Emission Scanning Electron Microscopy (FE-SEM) images reveal that the average grain size of the nanoparticles lies between 50 nm and 90 nm. Notably, the optical band gap of the Co3+-doped samples exhibits a gradual increase from 1.7 eV to 2.5 eV. Furthermore, a reduction in saturation magnetization was noted with increasing doping content at both 5 K and 300 K. The observed decrease in saturation magnetization in the doped samples can be attributed to the migration of Co2+ ions from the B site to the A site, as well as the substitution of Fe3+ ions with Co3+ ions in the B site. Additionally, the influence of annealing temperature on the structure, morphology, and magnetic properties of the nanoparticles was examined. |
| format | Article |
| id | doaj-art-84461ed71be54ac8abc5366001c9f401 |
| institution | Kabale University |
| issn | 2405-8440 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj-art-84461ed71be54ac8abc5366001c9f4012025-01-17T04:50:44ZengElsevierHeliyon2405-84402025-01-01111e41276Influence of cobalt substitution in CoFe2O4 nanoparticles on structural, morphological, cation distribution, optical and magnetic propertiesZ. Mosleh0M. Beygmohammadvand1A. Ghotbi Varzaneh2P. Kameli3Department of Physics, Isfahan University of Technology, Isfahan 84156-83111, Iran; Corresponding author.Department of Physics, Isfahan University of Technology, Isfahan 84156-83111, IranDepartment of Physics, Isfahan University of Technology, Isfahan 84156-83111, Iran; Institute of Microstructure Technology, Karlsruhe Institute of Technology, Karlsruhe, 76344, GermanyDepartment of Physics, Isfahan University of Technology, Isfahan 84156-83111, IranThis paper presents the first-time synthesis of CoFe2−xCoxO4 nanoparticles (where x = 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6) through hydrothermal methods utilizing metal chloride precursors. X-ray diffraction (XRD) analysis confirms the formation of a cubic spinel structure characterized by the Fd3¯m space group. Field Emission Scanning Electron Microscopy (FE-SEM) images reveal that the average grain size of the nanoparticles lies between 50 nm and 90 nm. Notably, the optical band gap of the Co3+-doped samples exhibits a gradual increase from 1.7 eV to 2.5 eV. Furthermore, a reduction in saturation magnetization was noted with increasing doping content at both 5 K and 300 K. The observed decrease in saturation magnetization in the doped samples can be attributed to the migration of Co2+ ions from the B site to the A site, as well as the substitution of Fe3+ ions with Co3+ ions in the B site. Additionally, the influence of annealing temperature on the structure, morphology, and magnetic properties of the nanoparticles was examined.http://www.sciencedirect.com/science/article/pii/S2405844024173070Spinel ferritesCation distributionOptical band gapSaturation magnetization |
| spellingShingle | Z. Mosleh M. Beygmohammadvand A. Ghotbi Varzaneh P. Kameli Influence of cobalt substitution in CoFe2O4 nanoparticles on structural, morphological, cation distribution, optical and magnetic properties Heliyon Spinel ferrites Cation distribution Optical band gap Saturation magnetization |
| title | Influence of cobalt substitution in CoFe2O4 nanoparticles on structural, morphological, cation distribution, optical and magnetic properties |
| title_full | Influence of cobalt substitution in CoFe2O4 nanoparticles on structural, morphological, cation distribution, optical and magnetic properties |
| title_fullStr | Influence of cobalt substitution in CoFe2O4 nanoparticles on structural, morphological, cation distribution, optical and magnetic properties |
| title_full_unstemmed | Influence of cobalt substitution in CoFe2O4 nanoparticles on structural, morphological, cation distribution, optical and magnetic properties |
| title_short | Influence of cobalt substitution in CoFe2O4 nanoparticles on structural, morphological, cation distribution, optical and magnetic properties |
| title_sort | influence of cobalt substitution in cofe2o4 nanoparticles on structural morphological cation distribution optical and magnetic properties |
| topic | Spinel ferrites Cation distribution Optical band gap Saturation magnetization |
| url | http://www.sciencedirect.com/science/article/pii/S2405844024173070 |
| work_keys_str_mv | AT zmosleh influenceofcobaltsubstitutionincofe2o4nanoparticlesonstructuralmorphologicalcationdistributionopticalandmagneticproperties AT mbeygmohammadvand influenceofcobaltsubstitutionincofe2o4nanoparticlesonstructuralmorphologicalcationdistributionopticalandmagneticproperties AT aghotbivarzaneh influenceofcobaltsubstitutionincofe2o4nanoparticlesonstructuralmorphologicalcationdistributionopticalandmagneticproperties AT pkameli influenceofcobaltsubstitutionincofe2o4nanoparticlesonstructuralmorphologicalcationdistributionopticalandmagneticproperties |