Abstract
The present research aims of elaborating a new manufacturing technology of magnetic nanoparticles for ferrofluid applications. Composite Fe–C anode sputtering in a low-pressure arc discharge has been used to produce Fe-containing nanoparticles on a carbon matrix. The chemical composition and size distribution function of iron containing nanoparticles have been measured. The sizes of Fe-containing nanoparticles are of 3–12 nm: chemical composition includes iron and iron carbide. It was shown that the powder is a superparamagnetic material. The stable ferrofluid, based on synthesised magnetic nanoparticles on a carbon matrix in water with nonoxynol-9 as surfactant, has been manufactured. The value of saturation magnetization on the level of 30 KA/m has been obtained.
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This research was funded by Russian Scientific Foundation, Project No №14-19-01379
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Novopashin, S.A., Serebryakova, M.A., Zaikovskii, A.V. (2017). Morphology, Chemical Composition, and Magnetic Properties of Arc Discharge Fe–C Soot. In: Oral, A., Bahsi Oral, Z. (eds) 3rd International Multidisciplinary Microscopy and Microanalysis Congress (InterM). Springer Proceedings in Physics, vol 186. Springer, Cham. https://doi.org/10.1007/978-3-319-46601-9_18
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DOI: https://doi.org/10.1007/978-3-319-46601-9_18
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