Characterization of Mn0.67Zn0.33Fe2O4 nanoparticles synthesized under different ph

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorInstituto de Pesquisas Energéticas e Nucleares-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorIchikawa, Rodrigo Uchida-
Autor(es): dc.creatorYoshito, Walter Kenji-
Autor(es): dc.creatorSaeki, Margarida Juri-
Autor(es): dc.creatorMaranhão, Willian C. A.-
Autor(es): dc.creatorGoulart, Fátima-
Autor(es): dc.creatorMartinez, Luis Gallego-
Data de aceite: dc.date.accessioned2025-08-21T18:40:02Z-
Data de disponibilização: dc.date.available2025-08-21T18:40:02Z-
Data de envio: dc.date.issued2022-04-30-
Data de envio: dc.date.issued2022-04-30-
Data de envio: dc.date.issued2017-01-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.4028/www.scientific.net/MSF.899.48-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/232643-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/232643-
Descrição: dc.descriptionNanostructured Mn-Zn ferrites were synthesized using co-precipitation in alkaline solution with different pH. The samples were characterized using X-ray diffraction (XRD), X-ray fluorescence (XRF), thermal analysis (TG-DTA), dynamic light scattering (DLS) and scanning electron microscopy (SEM) techniques. Monophasic nanoparticles were formed when synthesized with pH 10.5. This sample was heat-treated and its XRD data was refined by the Rietveld method. Mean crystallite sizes and microstrains were determined from X-ray line profile analysis using Single-Line and Warren-Averbach methods, which revealed a mean crystallite size of approximately 10 nm and negligible microstrains. Zn content was estimated using refined cell parameters, giving a value of 33 at %, in accordance with XRF result. TG-DTA revealed that the incorporation of α-Fe2O3 occurs around 1130 °C and 1200 °C with recrystallization of the Mn-Zn ferrite spinel phase. DLS showed that mean particle size increase with temperature up to 1159 nm at 800 °C. SEM analysis showed the samples agglomerate and present similar morphology with negligible size changing when calcined between 280 °C and 800 °C. However, the sample calcined at 1200 °C presents larger agglomerates due to the sintering process.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionInstituto de Pesquisas Energéticas e Nucleares, Av. Prof. Lineu Prestes, 2242 - Cidade Universitária-
Descrição: dc.descriptionInstituto de Biociências Universidade Estadual Paulista ‘Júlio de Mesquita Filho’, Distrito de Rubião Junior, s/n-
Descrição: dc.descriptionInstituto de Biociências Universidade Estadual Paulista ‘Júlio de Mesquita Filho’, Distrito de Rubião Junior, s/n-
Descrição: dc.descriptionCNPq: # 206983/2014-0-
Formato: dc.format48-53-
Idioma: dc.languageen-
Relação: dc.relationMaterials Science Forum-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectDynamic light scattering-
Palavras-chave: dc.subjectMn-Zn ferrite nanoparticles-
Palavras-chave: dc.subjectScanning electron microscopy-
Palavras-chave: dc.subjectThermal analysis-
Palavras-chave: dc.subjectX-ray diffraction-
Palavras-chave: dc.subjectX-ray fluorescence-
Título: dc.titleCharacterization of Mn0.67Zn0.33Fe2O4 nanoparticles synthesized under different ph-
Tipo de arquivo: dc.typeaula digital-
Aparece nas coleções:Repositório Institucional - Unesp

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