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<p>Nanocrystalline of x%(Ag–Cu<sub>0.5</sub>Sr<sub>0.5</sub>Fe<sub>1.98</sub>Eu<sub>0.02</sub>O<sub>4</sub>/5%G) (x = 0, 1, 3,6, 9, 12, and 15) with a grain size of 10.5–17.5 nm was fabricated by the auto-combustion method. The Ag phase grows at 63% for 15%Ag; structure verification shows the presence of a cubic system with space group Fd-3m as the primary ferrite phase. A decrease in crystallite size (17.5–10.5 nm), as well as a rise in lattice constant (8.34–8.38 Å), is owing to the increasing amount of Ag<sup>+</sup> content, indicating Ag ions unoccupied on ferrite sites. Particle sizes are varied ~ 74.98–96.91 nm, indicating the presence of secondary phases collected in one particle, where graphene acts as a matrix beside Ag for ferrite lattice. Ag doping decreases magnetization (27.23–15.96) and increases nanoparticle coercivity (184–203), where the Bohr magneton, cubic anisotropy, and uniaxial anisotropy decrease with growing Ag doping. The combination of effects of Ag-induced surface defects, lattice distortion, and higher carrier density that facilitates the production of reactive oxygen species, which make Ag-decorated ferrite its antibacterial activity.</p> Graphical abstract <p></p>

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Influence of silver doping on structural, magnetic properties, anti-inflammatory, and its cytotoxicity on skin cancer cell lines of Ag-Cu0.5Sr0.5Fe1.98Eu0.02O4/5%G nanocomposites

  • 期刊论文

  • 发表日期：

    2026年1月23日

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  • Elbadawy A. Kamoun,
  • Heba Y. Zahran,
  • Amr Negm,
  • Amany S. El-Khouly,
  • M. Y. Nassar,
  • Rasha Abu-Khudir,
  • V. Ganesh,
  • Menna R. Shaban,
  • M. H. Ghozza,
  • Ibrahim S. Yahia

摘要

Nanocrystalline of x%(Ag–Cu0.5Sr0.5Fe1.98Eu0.02O4/5%G) (x = 0, 1, 3,6, 9, 12, and 15) with a grain size of 10.5–17.5 nm was fabricated by the auto-combustion method. The Ag phase grows at 63% for 15%Ag; structure verification shows the presence of a cubic system with space group Fd-3m as the primary ferrite phase. A decrease in crystallite size (17.5–10.5 nm), as well as a rise in lattice constant (8.34–8.38 Å), is owing to the increasing amount of Ag+ content, indicating Ag ions unoccupied on ferrite sites. Particle sizes are varied ~ 74.98–96.91 nm, indicating the presence of secondary phases collected in one particle, where graphene acts as a matrix beside Ag for ferrite lattice. Ag doping decreases magnetization (27.23–15.96) and increases nanoparticle coercivity (184–203), where the Bohr magneton, cubic anisotropy, and uniaxial anisotropy decrease with growing Ag doping. The combination of effects of Ag-induced surface defects, lattice distortion, and higher carrier density that facilitates the production of reactive oxygen species, which make Ag-decorated ferrite its antibacterial activity.

Graphical abstract