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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|
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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