Rapid calcination of ferrite Ni0.75Zn0.25Fe2O4 by microwave energy

dc.contributor.authorAssis, Raimison Bezerra de
dc.contributor.authorDelmonte, Maurício Roberto Bomio
dc.contributor.authorNascimento, Rubens Maribondo do
dc.contributor.authorPaskocimas, Carlos Alberto
dc.contributor.authorSilva, Elson Longo da
dc.contributor.authorMotta, Fabiana Villela da
dc.date.accessioned2021-04-07T15:01:27Z
dc.date.available2021-04-07T15:01:27Z
dc.date.issued2014-08-02
dc.description.resumoFerrites Ni0.75Zn0.25Fe2O4 were obtained by polymeric precursor method and calcined in a short time with microwave energy to assess the morphological and microstructural characteristics. Samples were calcined at 500, 650, 800, and 950 °C for 30 min in a microwave oven. The resulting powders were characterized by thermal analysis (TG/DSC), X-ray diffraction (XRD), Fourier transform infrared spectrometer, field-emission gun scanning electron microscope (FEG-SEM), and energy-dispersive X-ray spectroscopy. The XRD results showed the formation of single ferrite phase at temperature of 500 C for 30 min. The FEG-SEM analysis showed agglomerated particles with formation of non-dense longitudinal plates, with interparticle porosity and agglomerated fine particles. The rapid calcination by microwave energy demonstrated satisfactory results in relatively low temperature of 500 C for 30 min and appeared to be a promising technique for obtaining nickel–zinc ferrite powderspt_BR
dc.identifier.citationASSIS, R. B.; BOMIO, M. R. D.; NASCIMENTO, R. M.; PASKOCIMAS, C. A.; LONGO, E.; MOTTA, F. V.. Rapid calcination of ferrite Ni0.75Zn0.25Fe2O4 by microwave energy. Journal of Thermal Analysis And Calorimetry, [S.L.], v. 118, n. 1, p. 277-285, 2 ago. 2014. Disponível em: https://link.springer.com/article/10.1007%2Fs10973-014-4011-0. Acesso em: 07 abr. 2021. http://dx.doi.org/10.1007/s10973-014-4011-0.pt_BR
dc.identifier.doi10.1007/s10973-014-4011-0
dc.identifier.issn1388-6150
dc.identifier.issn1572-8943
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/32077
dc.languagept_BRpt_BR
dc.publisherSpringerpt_BR
dc.rightsAttribution-NonCommercial 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/3.0/br/*
dc.subjectNi–Zn ferritept_BR
dc.subjectSpinelpt_BR
dc.subjectPolymeric precursorspt_BR
dc.subjectRapid calcinationspt_BR
dc.subjectMicrowavept_BR
dc.titleRapid calcination of ferrite Ni0.75Zn0.25Fe2O4 by microwave energypt_BR
dc.typearticlept_BR

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