Effect of Al3+ substitution on the synthesis, magnetic, and electrical properties of Ni0.3Zn0.5Co0.2Fe2−xAlxO4 spinel ferrites

Madhu, M.; Rao, A. Venkateswara; Murali, N.; Parajuli, D.; Mammo, Tulu Wegayehu

doi:10.1007/s10854-023-11551-y

J Mater Sci: Mater Electron

2023

DOI: 10.1007/s10854-023-11551-y

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Effect of Al3+ substitution on the synthesis, magnetic, and electrical properties of Ni0.3Zn0.5Co0.2Fe2−xAlxO4 spinel ferrites

M. Madhu,

A. Venkateswara Rao,

N. Murali

et al.

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2024

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Cited by 3 publications

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“…There are numerous ways of preparing the spinel ferrites namely hydrothermal, 15 sol-gel auto-combustion, 6,[16][17][18][19] co-precipitation 6,20 etc. Aamid all the routes, sol-gel auto-combustion methodology provides more control over phase formation, grain, and particle size uniformity.…”

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Comparative Study of Rare Earth Nd and Sm Doping on the Structural, Morphological, Optical, Magnetic, and Electromagnetic Traits of Mg-Zn-Cu Spinel Nanoferrites

Sharma,

Jasrotia,

Kumari

et al. 2024

ECS J. Solid State Sci. Technol.

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Magnetic nanoparticles of neodymium and samarium substituted Mg-Zn-Cu, with a chemical composition of Mg0.5Zn0.5Cu0.05RxFe1.95-xO4 (x = 0.05; R = Nd, Sm) were produced via the sol-gel auto-combustion route. X-ray diffraction indicates the evolution of a cubic symmetry having Fd3m space group and no impurities at room temperature. Field-emission scanning electron microscopy images show irregularly-shaped and agglomerated grains in all samples. Fourier transform infrared examination reveals stretching vibrations among the metal cations and anions at interstitial vacancies. M-H graphs demonstrate that the prepared nanoferrites have low rentivity (0.18-0.84 emu/g) and coercivity (11.25-34.03 Oe) indicating the formation of superparamagnetic nature. From the electromagnetic traits, the observed sample's real magnetic permeability (μ'') and permittivity (ε’) along with dielectric loss and magnetic loss reduced with increasing applied field frequency, indicating the typical behaviour of spinel nanoferrites. This may be explained by Maxwell-Wagner interfacial polarisation and the electron hopping among the ferrous and ferric ions. The variations in coercivity, anisotropy constant, and electromagnetic traits provide strong evidences that all of the samples are thermally stable and have the potential to be used in solenoids and transformers and also in more resistive devices that operate at high frequency.

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Comparative Study of Rare Earth Nd and Sm Doping on the Structural, Morphological, Optical, Magnetic, and Electromagnetic Traits of Mg-Zn-Cu Spinel Nanoferrites

Sharma,

Jasrotia,

Kumari

et al. 2024

ECS J. Solid State Sci. Technol.

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Superparamagnetic Dy modified ZnFe2O4 magnetic nanophotocatalysts for the photocatalytic degradation of crystal violet pollutant

Kumar,

Jasrotia,

Verma

et al. 2024

Appl. Phys. A

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Effect of rare earth (Sm3+) substitution in mixed Ni-Zn-Co ferrites: Structural, magnetic, and DC electrical resistivity studies

Reddy,

Reddy Akepati,

Nagalakshmi

et al. 2024

Inorganic Chemistry Communications

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Effect of Al3+ substitution on the synthesis, magnetic, and electrical properties of Ni0.3Zn0.5Co0.2Fe2−xAlxO4 spinel ferrites

Cited by 3 publications

References 35 publications

Comparative Study of Rare Earth Nd and Sm Doping on the Structural, Morphological, Optical, Magnetic, and Electromagnetic Traits of Mg-Zn-Cu Spinel Nanoferrites

Comparative Study of Rare Earth Nd and Sm Doping on the Structural, Morphological, Optical, Magnetic, and Electromagnetic Traits of Mg-Zn-Cu Spinel Nanoferrites

Superparamagnetic Dy modified ZnFe2O4 magnetic nanophotocatalysts for the photocatalytic degradation of crystal violet pollutant

Effect of rare earth (Sm3+) substitution in mixed Ni-Zn-Co ferrites: Structural, magnetic, and DC electrical resistivity studies

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