From shape to surface effects in magnetic anisotropy of Co NPs

Size effects in the magnetic anisotropy of embedded cobalt nanoparticles: from shape to surface.
Simón Oyarzún, Alexandre Tamion, Florent Tournus, Véronique Dupuis, Matthias Hillenkamp

Scientific Reports 5, 14749 (2015)

Comparison of the experimental values for with the magnetic surface anisotropy calculated using the Néel model for different example cluster sizes and single facets added along the [100] (blue, lower curve) and [111] (green, upper curve) directions.