Self-Assembly of Magnetic Nanoparticles in Ferrofluids on Different Templates Investigated by Neutron Reflectometry

In this article we review the process by which magnetite nanoparticles self-assemble onto solid surfaces. The focus is on neutron reflectometry studies providing information on the density and magnetization depth profiles of buried interfaces. Specific attention is given to the near-interface "...

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Bibliographic Details
Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2020-06, Vol.10 (6), p.1231
Main Authors: Theis-Bröhl, Katharina, Saini, Apurve, Wolff, Max, Dura, Joseph A, Maranville, Brian B, Borchers, Julie A
Format: Article
Language:English
Subjects:
Adsorption
core
core/shell nanoparticles
ferrofluid
Ferrofluids
Interfaces
Magnetic fields
Magnetic films
magnetic nanoparticles
Magnetic thin films
Magnetism
Magnetite
Magnetization
Microscopy
Nanoparticles
Neutrons
polarized neutron reflectivity
Reflectometry
Review
Self-assembly
self-assembly process
shell nanoparticles
Silicon wafers
Solid surfaces
surface wetting
surfactant coating
Wetting
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Summary:In this article we review the process by which magnetite nanoparticles self-assemble onto solid surfaces. The focus is on neutron reflectometry studies providing information on the density and magnetization depth profiles of buried interfaces. Specific attention is given to the near-interface "wetting" layer and to examples of magnetite nanoparticles on a hydrophilic silicon crystal, one coated with (3-Aminopropyl)triethoxysilane, and finally, one with a magnetic film with out-of-plane magnetization.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano10061231