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Studies on Structural and Magnetic Properties of PET/Fe nanocomposite film

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Author Affiliations

  • 1Nanoscience and Nanotechnology Laboratory, School of Physics, Devi Ahilya University, Indore, MP, India
  • 2Defence Research & Development Organization (DRDO), DMSRDE, Kanpur, 208013, India
  • 3Nanoscience and Nanotechnology Laboratory, School of Physics, Devi Ahilya University, Indore, MP, India
  • 4Nanoscience and Nanotechnology Laboratory, School of Physics, Devi Ahilya University, Indore, MP, India

Res. J. Recent Sci., Volume 14, Issue (4), Pages 5-8, October,2 (2025)

Abstract

Polymer–metal nanocomposites offer a versatile platform for integrating structural flexibility with functional magnetic properties. In this paper, the synthesis and characterization of polyethylene terephthalate/iron (PET/Fe) nanocomposite films prepared via ion beam sputtering technique is reported. Structural investigations using GIXRD confirmed the successful incorporation of body-centred cubic (bcc) Fe nanoparticles into the PET matrix, with 4.65 nm average particle size. The absence of oxide-related peaks demonstrated that the embedded Fe retained its metallic state, while modifications in PET diffraction peaks indicated polymer–Fe nanoparticle interactions. Magneto-optical Kerr effect (MOKE) measurements revealed well-defined ferromagnetic hysteresis loops at all azimuthal orientations, with a coercivity of ~19 Oe. An angular dependence of the saturation field suggested slight stress-induced magnetic anisotropy within the film. The findings of the study are discussed in this paper.

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