Submillimetric magnets made of nanoparticles for portable magnetic devices
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Résumé
The fabrication and integration of sub-millimeter magnetic materials into predefined circuits is of major importance for portable magnetic devices for the telecommunications, automotive, biomedical and space applications, but remains highly challenging. The present state-of the-art is not satisfactory given either the poor magnetic properties of the components (e.g. low magnetization of ferrites) or their societal drawbacks (e.g. rarity, toxicity, environmental costs or geopolitical dependence of the rare-earth based magnets). There is therefore a need and an opportunity for a process to prepare magnets in the sub-millimeter range for new developments in microelectronics, nanobiotechnology, energy conversion…
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