Rapid calcination of ferrite Ni0.75Zn0.25Fe2O4 by microwave energy
dc.contributor.author | Assis, Raimison Bezerra de | |
dc.contributor.author | Delmonte, Maurício Roberto Bomio | |
dc.contributor.author | Nascimento, Rubens Maribondo do | |
dc.contributor.author | Paskocimas, Carlos Alberto | |
dc.contributor.author | Silva, Elson Longo da | |
dc.contributor.author | Motta, Fabiana Villela da | |
dc.date.accessioned | 2021-04-07T15:01:27Z | |
dc.date.available | 2021-04-07T15:01:27Z | |
dc.date.issued | 2014-08-02 | |
dc.description.resumo | Ferrites 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 powders | pt_BR |
dc.identifier.citation | ASSIS, 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.doi | 10.1007/s10973-014-4011-0 | |
dc.identifier.issn | 1388-6150 | |
dc.identifier.issn | 1572-8943 | |
dc.identifier.uri | https://repositorio.ufrn.br/handle/123456789/32077 | |
dc.language | pt_BR | pt_BR |
dc.publisher | Springer | pt_BR |
dc.rights | Attribution-NonCommercial 3.0 Brazil | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc/3.0/br/ | * |
dc.subject | Ni–Zn ferrite | pt_BR |
dc.subject | Spinel | pt_BR |
dc.subject | Polymeric precursors | pt_BR |
dc.subject | Rapid calcinations | pt_BR |
dc.subject | Microwave | pt_BR |
dc.title | Rapid calcination of ferrite Ni0.75Zn0.25Fe2O4 by microwave energy | pt_BR |
dc.type | article | pt_BR |
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