Microstructural and Magnetic Properties of Polyamide-Based Recycled Composites with Iron Oxide Nanoparticles

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Autor(es): dc.contributorUniversidade Estadual de Londrina (UEL)-
Autor(es): dc.contributorFederal University of Technology—Paraná-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidad de la Costa CUC-
Autor(es): dc.contributorRúa Lope Gómez de Marzoa-
Autor(es): dc.creatorSantos, Lucas G. Dos-
Autor(es): dc.creatorBuelvas, Daina D. A.-
Autor(es): dc.creatorValezi, Daniel F.-
Autor(es): dc.creatorVicentin, Bruno L. S.-
Autor(es): dc.creatorRocha, Christian M. M.-
Autor(es): dc.creatorMauro, Eduardo Di-
Autor(es): dc.creatorPorta, Felipe de A. La-
Data de aceite: dc.date.accessioned2025-08-21T19:59:47Z-
Data de disponibilização: dc.date.available2025-08-21T19:59:47Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2025-03-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/magnetism5010005-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/297529-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/297529-
Descrição: dc.descriptionThis study explores a sustainable approach to developing magnetic nanocomposites by synthesizing a mixed-phase iron oxide (IO) and recycled polyamide (RPA) composite from textile waste. The RPA/IO nanocomposite’s microstructural and magnetic properties were characterized using X-ray diffraction (XRD) with Rietveld refinement, scanning, transmission electron microscopy (SEM, TEM), and vibrating sample magnetometry (VSM). The proportions of the Fe3O4 and γ-Fe2O3 phases were found to be 23.2 wt% and 76.8 wt%, respectively. SEM and TEM showed a porous, agglomerated IO surface morphology with an average particle size of 14 nm. Magnetic analysis revealed ferrimagnetic and superparamagnetic behavior, with VSM showing saturation magnetization values of 21.81 emu g−1 at 5 K and 18.84 emu g−1 at 300 K. Anisotropy constants were estimated at 4.28 × 105 and 1.53 × 105, respectively, for IO and the composite, with a blocking temperature of approximately 178 K at 300 K. These results contribute to understanding the magnetic behavior of IO and their nanocomposites, which is crucial for their potential applications in emerging technologies.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionDepartment of Physics State University of Londrina, Paraná- Rodovia Celso Garcia Cid, PR-445, Km 380-
Descrição: dc.descriptionNanotechnology and Computational Chemistry Laboratory Federal University of Technology—Paraná, Paraná- Av. João Miguel Caram, 731—Jardim Morumbi-
Descrição: dc.descriptionDepartment of Physics and Mathematics Institute of Chemistry São Paulo State University UNESP, Rua Prof. Francisco Degni, 55—Quitandinha-
Descrição: dc.descriptionAcademic Department of Physics Federal University of Technology—Paraná, Paraná-Rua Doutor Washington Subtil Chueire, 330-
Descrição: dc.descriptionDepartment of Energy Universidad de la Costa CUC, Calle 58#55-66-
Descrição: dc.descriptionDepartment of Electronics and Computing University of Santiago de Compostela Rúa Lope Gómez de Marzoa-
Descrição: dc.descriptionPost-Graduation Program in Chemistry State University of Londrina, Paraná-Rodovia Celso Garcia Cid, PR-445, Km 380-
Descrição: dc.descriptionDepartment of Physics and Mathematics Institute of Chemistry São Paulo State University UNESP, Rua Prof. Francisco Degni, 55—Quitandinha-
Descrição: dc.descriptionCNPq: 172349/2023-0-
Idioma: dc.languageen-
Relação: dc.relationMagnetism-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectenvironmental-
Palavras-chave: dc.subjectmaghemite-
Palavras-chave: dc.subjectmagnetite-
Palavras-chave: dc.subjectnanocomposites-
Palavras-chave: dc.subjectrecycled polyamide composite-
Título: dc.titleMicrostructural and Magnetic Properties of Polyamide-Based Recycled Composites with Iron Oxide Nanoparticles-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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