Magneto plasmonics is a novel interdisciplinary topic that explores the properties of hybrid nanosystems composed of a magnetic material and nanostructures in which surface plasmon resonances can be excited with light. Both types of nanostructure exhibits new properties, that overcome the features of the bulk, and has potential use in a wide range of applications like biomedicine, catalysis, information storages. Therefore the combination of magnetic and plasmonic features in the same nano-entity constitutes a simple concept of multifunctional nanomaterials. Moreover the strong electromagnetic, spin electronic and structural correlation between the two type of materials due to their nanoscale is expected to give rise to a synergy producing new magneto-spin-plasmonic phenomena. The design of these heterostructures and the discovery of the new properties has just started. New magneto-optical properties and magnetic field-assisted plasmon resonances discoveries are activating the design of new applications. Plasmonics and magnetism, however, are very different sciences with different languages.
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