Investigating Fe-doped Ba0.67Ni0.33Mn1−xFexO3 (x = 0, 0.2) ceramics: insights into electrical and dielectric behaviors

Tayari, Faouzia; Iben Nassar, Kais; Algessair, Saja; Hjiri, Mokhtar; Benamara, Majdi

doi:10.1039/d4ra01581a

RSC Adv.

2024

DOI: 10.1039/d4ra01581a

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Investigating Fe-doped Ba_0.67Ni_0.33Mn_1−xFe_xO₃ (x = 0, 0.2) ceramics: insights into electrical and dielectric behaviors

Faouzia Tayari,

Kais Iben Nassar,

Saja Algessair

et al.

Abstract: This study investigates the characteristics of Ba0.67Ni0.33Mn1–xFexO3 perovskite under varying Fe doping levels at the Mn-site (x = 0, 0.2). X-ray diffraction confirm the material's consistent structure, with Fe3+ ions substituting Mn3+ ions while maintaining identical ionic radius.

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Cited by 3 publications

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Comprehensive analysis of structural, dielectric, and electrical properties of sol–gel synthesized Ba-doped bismuth ferric titanate perovskite nanoparticles

Dhahri,

Tayari,

Albargi

et al. 2024

J Mater Sci: Mater Electron

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Comprehensive analysis of structural, dielectric, and electrical properties of sol–gel synthesized Ba-doped bismuth ferric titanate perovskite nanoparticles

Dhahri,

Tayari,

Albargi

et al. 2024

J Mater Sci: Mater Electron

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Insights into dielectric and electrical conductivity dynamics in sol-gel synthesized Ba0.75Ni0.25Tc0.88Mn0.12O3 perovskite ceramic

Tayari,

Nassar,

Benamara

et al. 2024

J Sol-Gel Sci Technol

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This study presents a comprehensive investigation into the structural, morphological, and electrical properties of sol-gel synthesized Ba0.75Ni0.25Tc0.88Mn0.12O3 perovskite ceramic (BNTMO). The meticulous preparation protocol, involving solvating various precursors, was followed by an extensive characterization employing X-ray diffraction, scanning electron microscopy, and dielectric studies. XRD analysis affirmed the single-phase single-phase cubic structure with Pm-3m space, while SEM revealed a well-defined morphology with an average particle size of 243 nm. The electrical conductivity exploration, elucidated through Jonscher’s universal power law, provided insights into charge carrier dynamics, exhibiting semiconductor behavior. Impedance spectroscopy unraveled a distinctive relaxation peak, corroborated by Cole-Cole plots, unveiling a unique charge carrier mechanism. Dielectric studies showcased intriguing polarization dynamics, indicating promising applications in energy storage. The convergence of activation energy values from various analyses underscores the coherence in the charge carrier relaxation process. Overall, our findings contribute to a nuanced understanding of the electrical intricacies of BNTMO, presenting avenues for its utilization in advanced technological applications. Graphical Abstract

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Enhancing future technologies: Sol-Gel synthesis of Sr0.6Ag0.4MnO3 manganite perovskite

Faouzia,

Kais Iben,

Majdi

2024

Open Journal of Chemistry

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The research successfully produced Sr0.6Ag0.4MnO3, a silver strontium manganite with the desired perovskite crystal structure, using the sol-gel technique. Extensive analysis revealed its notable characteristics, indicating potential uses across various fields. X-ray diffraction showed the compound's tetragonal structure at room temperature, affirming its stability. Morphological and chemical assessments confirmed the material's consistency and evenness, with crystallites averaging 27 nm (from XRD) and 90 nm (from SEM). The material displayed a ferro-paramagnetic transition at 375 K, suggesting suitability for magnetic applications, alongside a slight drop in electrical resistance under a magnetic field, hinting at potential magnetoresistive properties for electronic devices. In terms of dielectric properties, particularly at low frequencies, the material demonstrated a high dielectric constant and low tangent loss, indicating its potential for electrical components. Overall, these findings position Sr0.6Ag0.4MnO3 as a versatile material with promising applications in magnetism, electronics, and electrical components.

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Investigating Fe-doped Ba_0.67Ni_0.33Mn_1−xFe_xO₃ (x = 0, 0.2) ceramics: insights into electrical and dielectric behaviors

Abstract: This study investigates the characteristics of Ba0.67Ni0.33Mn1–xFexO3 perovskite under varying Fe doping levels at the Mn-site (x = 0, 0.2). X-ray diffraction confirm the material's consistent structure, with Fe3+ ions substituting Mn3+ ions while maintaining identical ionic radius.

Cited by 3 publications

References 50 publications

Comprehensive analysis of structural, dielectric, and electrical properties of sol–gel synthesized Ba-doped bismuth ferric titanate perovskite nanoparticles

Comprehensive analysis of structural, dielectric, and electrical properties of sol–gel synthesized Ba-doped bismuth ferric titanate perovskite nanoparticles

Insights into dielectric and electrical conductivity dynamics in sol-gel synthesized Ba0.75Ni0.25Tc0.88Mn0.12O3 perovskite ceramic

Enhancing future technologies: Sol-Gel synthesis of Sr0.6Ag0.4MnO3 manganite perovskite

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