Abstract
The use of ultrashort laser pulses enables the deposition of films composed of mono-component nanoparticles exhibiting similar shape and size. Films made of nickel (Ni) and silicon (Si) nanoparticles have been produced and investigated in view of the expected interesting properties, resulting from the uniform distribution of metallic, magnetic Ni particles among semiconductive, non-magnetic Si particles. The morphology of the deposited nanoparticles and the related magnetic and magneto-transport characteristics of the films have been studied for different Ni contents, evidencing properties deriving from the peculiar deposition technique and in particular the important role of the free volume inclusions and the particles tendency to not coalesce.
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