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<p>A comprehensive understanding of the structural and physico-chemical properties of magnetic nanoparticles, specifically CoFe<sub>2</sub>O<sub>4</sub>, in conjunction with varying concentrations of polyvinyl alcohol, is essential for selecting appropriate materials for diverse technological applications. Structural parameters obtained from X-ray diffraction (XRD) include hopping lengths (L<sub>A</sub> and L<sub>B</sub>) and bond lengths (d<sub>LA</sub>, d<sub>LB</sub>, d<sub>LAB</sub>) for sites A and B, respectively. Additionally, microstructural and magnetic characteristics were analyzed through FTIR spectra and VSM analysis, focusing on parameters such as force constant (F), bond lengths between cation-anion (p, q, r, s) and cation-cation (b, c, d, e, f), as well as the angles between these bonds (θ<sub>1</sub>, θ<sub>2</sub>, θ<sub>3</sub>, θ<sub>4</sub>, θ<sub>5</sub>). Furthermore, some mechanical properties were assessed through the stiffness constants C<sub>11</sub> and C<sub>12</sub> with various modulus. The dielectric and electrochemical behaviors of CoFe<sub>2</sub>O<sub>4</sub> were evaluated using additional parameters (V/I, impedance) obtained from LCR and cyclic voltammetry measurements. The findings indicate that the material is particularly suitable at concentrations of 10 and 12.5%. The results were thoroughly interpreted and discussed.</p>

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Investigations into the structural, micro-structural, and physico-chemical properties of cobalt ferrite (CoFe2O4) nanoparticles incorporated with polyvinyl alcohol (PVA) were conducted with specific key insights and details

  • 期刊论文

  • 发表日期：

    2025年8月26日

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  • RS. Koteeshwari,
  • S. Nithiyanatham,
  • T. Lakshmigandhan,
  • S. Mahalakshmi,
  • K. Kogulakrishnan,
  • B. Gunasekaran,
  • N. Anandhan,
  • L. Palaniappan

摘要

A comprehensive understanding of the structural and physico-chemical properties of magnetic nanoparticles, specifically CoFe2O4, in conjunction with varying concentrations of polyvinyl alcohol, is essential for selecting appropriate materials for diverse technological applications. Structural parameters obtained from X-ray diffraction (XRD) include hopping lengths (LA and LB) and bond lengths (dLA, dLB, dLAB) for sites A and B, respectively. Additionally, microstructural and magnetic characteristics were analyzed through FTIR spectra and VSM analysis, focusing on parameters such as force constant (F), bond lengths between cation-anion (p, q, r, s) and cation-cation (b, c, d, e, f), as well as the angles between these bonds (θ1, θ2, θ3, θ4, θ5). Furthermore, some mechanical properties were assessed through the stiffness constants C11 and C12 with various modulus. The dielectric and electrochemical behaviors of CoFe2O4 were evaluated using additional parameters (V/I, impedance) obtained from LCR and cyclic voltammetry measurements. The findings indicate that the material is particularly suitable at concentrations of 10 and 12.5%. The results were thoroughly interpreted and discussed.