Comparison of various synthesis methods of magnetic nanoparticles, and of the various experimental methods used for their characterization (original) (raw)
Variety of experimental tools have been used for characterization of morphology of magnetic nanoparticles in colloid suspensions. Ferric oxide particles of sizes between 5 and 20 nm have been prepared by different methods, aqueous co-precipitation of ferrous salts, thermal decomposition of metal complexes in organic solvents, and using mechanical milling of micron sized particles. They were covered by stabilizing layer of different surfactants and dispersed in organic solvents. The analysis and comparison of the collected data allowed to assess the performance of each technique and give recommendations for obtaining precise structural data for nanoparticles dispersions of the given size range.
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