Structure analysis of aqueous ferrofluids at interface with silicon: neutron reflectometry data

Adsorption of nanoparticles from aqueous ferrofluids (FFs) on solid surface (crystalline silicon) was studied by neutron reflectometry (NR). Two kinds of FFs were considered. First kind was heavy water-based ferrofluids with magnetite nanoparticles coated by double layer of sodium oleate. Second one...

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Veröffentlicht in:Journal of physics. Conference series 2017-05, Vol.848 (1), p.12015
Hauptverfasser: Gapon, I V, Petrenko, V I, Bulavin, L A, Balasoiu, M, Kubovcikova, M, Zavisova, V, Koneracka, M, Kopcansky, P, Chiriac, H, Avdeev, M V
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container_title Journal of physics. Conference series
container_volume 848
creator Gapon, I V
Petrenko, V I
Bulavin, L A
Balasoiu, M
Kubovcikova, M
Zavisova, V
Koneracka, M
Kopcansky, P
Chiriac, H
Avdeev, M V
description Adsorption of nanoparticles from aqueous ferrofluids (FFs) on solid surface (crystalline silicon) was studied by neutron reflectometry (NR). Two kinds of FFs were considered. First kind was heavy water-based ferrofluids with magnetite nanoparticles coated by double layer of sodium oleate. Second one FF was cobalt ferrite nanoparticles stabilized by lauric acid/sodium n-dodecylsulphate layer and dispersed in water. It was obtained only a single adsorption layer for two types of ferrofluids. The impact of the magnetic nanoparticles concentration and geometry was considered in frame of the adsorption characteristic of FFs.
doi_str_mv 10.1088/1742-6596/848/1/012015
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subjects Adsorption
Cobalt ferrites
Ferrofluids
Heavy water
Lauric acid
Nanoparticles
Physics
Reflectometry
Silicon
Sodium oleate
Solid surfaces
Structural analysis
title Structure analysis of aqueous ferrofluids at interface with silicon: neutron reflectometry data
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