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dc.contributor.authorAndrade, Ângela Leão-
dc.contributor.authorValente, Manuel Almeida-
dc.contributor.authorFerreira, José Maria da Fonte-
dc.contributor.authorFabris, José Domingos-
dc.identifier.citationANDRADE, A. L. et al. Preparation of size-controlled nanoparticles of magnetite. Journal of Magnetism and Magnetic Materials, v. 324, n. 10, p. 1753–1757, maio 2012. Disponível em: <>. Acesso em: 10 dez. 2012.pt_BR
dc.description.abstractSamples of ferrofluids containing chemically stabilized nanoparticles of magnetite (Fe3O4) with tetramethylammonium hydroxide (TMAOH) were prepared by a direct reduction–precipitation method. The influences of aging time and temperature on the size and monodispersion characteristics of the produced nanoparticles were investigated. Transmission electron microscopy, powder X-ray diffraction, Fourier-transform infrared, and magnetization measurements with applied magnetic field up to 2 T were used to characterize the synthesized iron oxides. Raising the temperature of the synthesized material in autoclave affects positively the monodispersion of the nanoparticles, but it was not found to significantly influence the size itself of individual particles.pt_BR
dc.subjectSurface conditioningpt_BR
dc.subjectMagnetic nanoparticlept_BR
dc.subjectIron oxidept_BR
dc.titlePreparation of size-controlled nanoparticles of magnetite.pt_BR
dc.typeArtigo publicado em periodicopt_BR
dc.rights.licenseO periódico Journal of Magnetism and Magnetic Materials concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3313090498469.-
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