Plasmon / interband transitions coupling in the UV from large scale nanostructured Ni films

Silvere Schuermans 1 Thomas Maurer 1 Jerome Martin 1 Jean-Baptiste Moussy 2 Jerome Plain 1
1 LNIO - Laboratoire de Nanotechnologie et d'Instrumentation Optique
ICD - Institut Charles Delaunay
2 LNO - Laboratoire Nano-Magnétisme et Oxydes
SPEC - UMR3680 - Service de physique de l'état condensé, IRAMIS - Institut Rayonnement Matière de Saclay
Abstract : We report on the synthesis of Ni nanoparticles via thin film thermal annealing. The as prepared particles exhibit a tunable average diameter ranging from 13 nm to 44 nm depending on the initial deposited film thickness and are covered with a stable NiO x shell. This technique is suitable for large scale fabrication of Ni nanoparticles onto substrates. The study of the magnetic and optical properties of these nanostructures revealed a ferromagnetic behaviour at room temperature and a localized surface plasmon resonance in the UV-range, promoting Ni nanoparticles as a suitable material for UV-plasmonic applications. The coupling between plasmon and interband transitions have also been studied.
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Silvere Schuermans, Thomas Maurer, Jerome Martin, Jean-Baptiste Moussy, Jerome Plain. Plasmon / interband transitions coupling in the UV from large scale nanostructured Ni films. Optical Materials Express, 7 (6), pp.1787, 2017, ⟨10.1364/OME.7.001787⟩. ⟨cea-01568000⟩

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