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Volume 18, Issue 4
  • ISSN: 2666-1454
  • E-ISSN: 2666-1462

Abstract

Introduction

Ca-Mg nanoferrites of composition CaMgFeO were synthesized by wet chemical citrate precursor approach.

Methods

The prepared nanoparticles were characterized by an “X-ray diffractometer, Scanning electron microscopy, Diffused reflectance spectroscopy, and Impedance analyzer”. In the XRD pattern, the most intense reflection was observed from the (311) peak that corresponds to the cubic spinel phase of the prepared ferrite.

Results

The average size of all crystallites was calculated to be 19 nm. The sample's porosity was found to be 61%. In the SEM micrograph, uniformity in the size of the particles was detected with some agglomeration. The calculated energy band gap (1.91eV) reveals the semiconducting nature of the prepared material.

Conclusion

The high value of the real part of the dielectric constant (290) and the low value of loss tangent (0.17) reveals that the synthesized material can be useful in magnetic cores, microwave components, and other high-frequency applications.

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2024-01-25
2025-06-18

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/content/journals/cms/10.2174/0126661454270862231226075334
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Structural, Morphological, Spectroscopic, and Dielectric Properties of Ca-Mg Nanoferrites for High-frequency Applications
Current Materials Science 18, 457 (2025); https://doi.org/10.2174/0126661454270862231226075334
/content/journals/cms/10.2174/0126661454270862231226075334
/content/journals/cms/10.2174/0126661454270862231226075334
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  • Article Type:     Research Article
Keyword(s): Ca-Mg ferrite; dielectric properties; diffused reflectance spectroscopy; loss tangent; SEM; X-ray diffractometer

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