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Type: Artigo de evento
Title: Structural, Magnetic, And Mössbauer Characterization Of Size-controlled Iron-iron Oxide Nanoparticles Obtained By Chemical Methods
Author: Vargas J.M.
Socolovsky L.M.
Goya G.F.
Knobel M.
Zanchet D.
Abstract: Size-controlled Fe nanoparticles have been obtained by thermal decomposition of Fe(CO)5 in organic solution, in the presence of ligand molecules. Samples with different sizes, in the 6-12 nm range have been characterized by high-resolution transmission electron microscopy, X-ray diffraction, Mössbauer spectroscopy, and magnetization measurements. All samples present narrow size distributions and superparamagnetic behavior. The exposition to air leads to the formation of a polycrystalline phase, mainly Fe3O4.
Rights: fechado
Identifier DOI: 10.1109/TMAG.2003.815556
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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