Static and dynamic magnetic behaviour of iron nanoclusters on magnetic substrates

Abstract

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Tutorial Section on Nanomagnetism

“…This may be strong enough to alter the magnetisation pattern of the ground state. 32 The discussion has focused on pure nanoparticle films with no matrix but the essential physics remains the same in any exchange coupled array above the percolation including the case when there is a matrix material filling the gaps. 31 Generally, XPEEM does not have as good a spatial resolution at MFM but it provides images in a field-free environment, FIGURE 1.20 A stack of randomly oriented nanoparticles with the slight elongation of each one representing the anisotropy axis.…”

Controlled fabrication of nanopit patterns on a graphite surface using focused ion beams and oxidation

“…The use of clusters in industry is already established: catalysts and coloration are prime examples. In future applications, magnetic 4 or optically activated clusters 5 may be used for data processing. In order to use the clusters for this task it is necessary to produce them in a controlled pattern.…”