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Article Dans Une Revue Journal of Physical Chemistry C Année : 2016

Plasmonics of opalic surface: a combined near-and far-field approach

Résumé

An opalic plasmonic sample, constituted by a hexagonal arrangement of metallized silica spheres, presents remarkable optical properties due to the mixing of periodic arrangement and singularities at the sphere touching points. It is therefore an interesting candidate for exploiting the excitation of both localized and propagating surface plasmons. Several channels of excitation based on these properties or exploiting a certain level of disorder are evidenced, opening new routes for the efficient excitation of plasmons on a wide spectral range. The versatility of such hybrid system is evidenced in the context of two complementary experiments: specular reflective spectrometry and photoemission electron microscopy. Both techniques offer different points of view on the same physical phenomenon and the link between them is discussed. Such experiments evidence the opportunities offered by these 2D hybrid materials in the context of nanophotonics.
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Dates et versions

hal-01299810 , version 1 (12-04-2016)

Identifiants

Citer

Clotilde Lethiec, Guillaume Binard, Trajan Popescu², Hugo Frederich, Phan Ngoc, et al.. Plasmonics of opalic surface: a combined near-and far-field approach. Journal of Physical Chemistry C, 2016, 120 (34), pp.19308-19315. ⟨10.1021/acs.jpcc.6b05718⟩. ⟨hal-01299810⟩
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