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- W2531571320 abstract "Nanostructured monodisperse particles, and magnetite (Fe3O4) were obtained by aqueous coprecipitation and surfactants coated with oleic acid and polyethylene glycol to control and ensure a uniform size distribution, in addition to reducing the effects of aggregation. A detailed investigation of morphological and microstructural characteristics was performed using XRD and SEM. The Raman spectroscopy showed peaks for magnetite (Fe3O4) and FTIR showed the interaction of Fe3O4 and its coatings, OA and PEG. The results show that Fe3O4 coated particles have an average crystallite size between 4.4-12.6 nm nanoparticles and less than the aggregate particles without coating. With the coatings, the morphology became more uniform the sizes of NPs. The magnetic properties of Fe3O4 coated particles were analyzed by AGFM. The hysteresis curves indicate a superparamagnetic behavior at room temperature, NPs PEG show a higher saturation magnetization while NPs OA. They also exhibit superparamagnetic nature at room temperature." @default.
- W2531571320 created "2016-10-21" @default.
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- W2531571320 date "2015-01-01" @default.
- W2531571320 modified "2023-09-28" @default.
- W2531571320 title "Obtention by Coprecipitation and Magnetic Characterization of Fe3o4 Nanoparticles Coated with Surfactants" @default.
- W2531571320 hasPublicationYear "2015" @default.
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