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Status: Bibliographieeintrag

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Verfasst von:Zhao, Jianli [VerfasserIn]   i
 Spasova, Marina [VerfasserIn]   i
 Li, Zi-An [VerfasserIn]   i
 Zharnikov, Michael [VerfasserIn]   i
Titel:Ferromagnetic cobalt nanoparticles and their immobilization on monomolecular films and chemical templates
Verf.angabe:Jianli Zhao, Marina Spasova, Zi-An Li, and Michael Zharnikov
E-Jahr:2011
Jahr:September 26, 2011
Umfang:12 S.
Fussnoten:Gesehen am 19.01.2023
Titel Quelle:Enthalten in: Advanced functional materials
Ort Quelle:Weinheim : Wiley-VCH, 2001
Jahr Quelle:2011
Band/Heft Quelle:21(2011), 24, Seite 4724-4735
ISSN Quelle:1616-3028
Abstract:Monodisperse Co nanoparticles (NPs), stabilized by organic coating have been synthesized, and their immobilization on a variety of self-assembled monolayers (SAMs) bearing different terminal groups and on SAM-based chemical templates has been studied. The NPs had an average diameter of ∼10 nm and consisted of hcp cobalt covered by a thin (∼1 nm) oxide film. They exhibited pronounced ferromagnetic properties with a blocking temperature above 380 K, which is unusual for the given NP size and is presumably related to the high magnetocrystalline anisotropy associated with the crystallographic perfection of the NPs. The NPs were found to attach selectively to the SAMs bearing the thiol tail group, whereas no stable immobilization to other SAMs, over the electrostatic forces, could be achieved. Finally, based on the results for the individual SAMs, high-contrast 2D structures of the Co NPs were fabricated on SAM-based chemical templates on both micro- and nanometer length scales. The templates were prepared by irradiation-promoted exchange reaction lithography, taking an OH-terminated aliphatic SAMs as the primary template and thiol-bearing aromatic molecules as the substituents.
DOI:doi:10.1002/adfm.201101570
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1002/adfm.201101570
 Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/adfm.201101570
 DOI: https://doi.org/10.1002/adfm.201101570
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:lithography
 magnetic nanoparticles
 nanostructures
 self-assembly
K10plus-PPN:1831511681
Verknüpfungen:→ Zeitschrift

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