Plasmonic nanodevice with magnetic funcionalities: fabrication and characterization

F. Galvez, J. del Valle, A. Gomez, M. R. Osorio, D. Granados, D. Pérez de Lara, M. A. García, and J. L. Vicent. 2016. Plasmonic nanodevice with magnetic funcionalities: fabrication and characterization. Optical Materials Express 6, 10, 3086-3096 DOI: 10.1364/OME.6.003086

We have designed and fabricated a nanodevice exhibiting simultaneously ferromagnetic properties of nanostructures with plasmonic properties of continuous films. Our device consists of an array of nanomagnets on top of a continuous plasmonic film. The patterned nanomagnets magnetic state is single domain and well-defined shape anisotropy. Despite the presence of the patterned media on top of the Au film, the system exhibits surface plasmon resonance characteristics of a continuous film, i.e., propagating surface plasmon-polaritons. (C) 2016 Optical Society of America

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