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dc.contributor.authorRivera, Edison-
dc.contributor.authorMuñoz Meneses, Rodrigo Albey-
dc.contributor.authorMarín, Lorena-
dc.contributor.authorMora, Malka-
dc.contributor.authorTabares, Jesús A.-
dc.contributor.authorManotas Albor, Milton-
dc.contributor.authorRodríguez, Luis A.-
dc.contributor.authorDiosa, Jesús E.-
dc.contributor.authorMosquera Vargas, Edgar-
dc.date.accessioned2024-01-08T15:29:21Z-
dc.date.available2024-01-08T15:29:21Z-
dc.date.issued2023-
dc.identifier.citationRIVERA, Edison et al. Structural, optical, and magnetic properties of submicron hematite (α-Fe2O3) particles synthesized from industrial steel waste. Materials Science and Engineering: B, [S. l.], v. 288, 116170, fev. 2023. DOI: https://doi.org/10.1016/j.mseb.2022.116170.pt_BR
dc.identifier.urihttp://repositorio2.unb.br/jspui/handle/10482/47166-
dc.language.isoengpt_BR
dc.publisherElsevier B.V.pt_BR
dc.rightsAcesso Restritopt_BR
dc.titleStructural, optical, and magnetic properties of submicron hematite (α-Fe2O3) particles synthesized from industrial steel wastept_BR
dc.typeArtigopt_BR
dc.subject.keywordResíduos industriaispt_BR
dc.subject.keywordHematitapt_BR
dc.subject.keywordAnálise espectralpt_BR
dc.subject.keywordHematita - propriedades estruturaispt_BR
dc.subject.keywordHematita - propriedades ópticaspt_BR
dc.subject.keywordHematita - propriedades magnéticaspt_BR
dc.identifier.doihttps://doi.org/10.1016/j.mseb.2022.116170pt_BR
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S092151072200558X?via%3Dihubpt_BR
dc.description.abstract1Hematite submicron particles were synthesized using oil-contaminated ferric oxide precursor obtained from the hot-rolled steel industry in Colombia. The samples received are difficult to recycle for the steel industry, which, due to their poor disposal, causes irreparable environmental damage. Here we propose a synthetic route to obtain functional magnetic particles with this residue. First, a series of washes with solvent and alcohols were proposed, thus achieving the total removal of the oil. X-ray diffraction and Mossbauer ¨ spectroscopy show that the as received sample consists of different iron phases, with wüstite being the majority phase. After the synthesis process, the hematite phase was present as the majority phase with ~92 wt%. FTIR, UV–Vis, and SQUID mea surements was carried out to study the structural, optical and magnetic properties of the samples. This meth odology is a viable alternative to give added value to this waste to improve the management of this by-product.pt_BR
dc.description.unidadeInstituto de Física (IF)pt_BR
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