Atomically Flat Ultrathin Cobalt Ferrite Islands

Atomically Flat Ultrathin Cobalt Ferrite Islands

A route for fabricating structurally perfect cobalt ferrite magnetic nanostructures is demonstrated. Ultrathin islands of up to 100 μm2 with atomically flat surfaces and free from antiphase boundaries are developed. The extremely low defect concentration leads to a robust magnetic order, even for th...

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Veröffentlicht in:Advanced materials (Weinheim) 2015-10, Vol.27 (39), p.5955-5960
Hauptverfasser: Martín-García, Laura, Quesada, Adrián, Munuera, Carmen, Fernández, Jose F., García-Hernández, Mar, Foerster, Michael, Aballe, Lucía, de la Figuera, Juan
Format: Artikel
Sprache:eng
Schlagworte:
Antiphase boundaries
cobalt ferrite
Cobalt ferrites
Domain walls
Flats
Islands
Magnetic domains
magnetic nanostructures
Nanostructure
Pinning
ultrathin materials
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Beschreibung
Zusammenfassung:A route for fabricating structurally perfect cobalt ferrite magnetic nanostructures is demonstrated. Ultrathin islands of up to 100 μm2 with atomically flat surfaces and free from antiphase boundaries are developed. The extremely low defect concentration leads to a robust magnetic order, even for thicknesses below 1 nm, and exceptionally large magnetic domains. This approach allows the evaluation of the influence of specific extrinsic effects on domain wall pinning.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201502799