TITLE

Size effects in the magnetic anisotropy of embedded cobalt nanoparticles: from shape to surface

AUTHOR(S)
Oyarzún, Simón; Tamion, Alexandre; Tournus, Florent; Dupuis, Véronique; Hillenkamp, Matthias
PUB. DATE
October 2015
SOURCE
Scientific Reports;10/9/2015, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Strong size-dependent variations of the magnetic anisotropy of embedded cobalt clusters are evidenced quantitatively by combining magnetic experiments and advanced data treatment. The obtained values are discussed in the frame of two theoretical models that demonstrate the decisive role of the shape in larger nanoparticles and the predominant role of the surface anisotropy in clusters below 3 nm diameter.
ACCESSION #
110327898

 

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