Resonant isotropic optical magnetism of plasmonic nanoclusters in visible light | Zendy

Virginie Ponsinet | Zendy; P. Barois | Zendy; S. Gali | Zendy; P. Richetti | Zendy; JeanBaptiste Salmon | Zendy; A. Vallecchi | Zendy; Matteo Albani | Zendy; Aurélie Le Beulze | Zendy; Sergio GómezGraña | Zendy; Étienne Duguet | Zendy; Stéphane Mornet | Zendy; Mona TréguerDelapierre | Zendy

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Resonant isotropic optical magnetism of plasmonic nanoclusters in visible light

Author(s) -

Virginie Ponsinet,

P. Barois,

S. Gali,

P. Richetti,

JeanBaptiste Salmon,

A. Vallecchi,

Matteo Albani,

Aurélie Le Beulze,

Sergio GómezGraña,

Étienne Duguet,

Stéphane Mornet,

Mona TréguerDelapierre

Publication year - 2015

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.92.220414

Subject(s) - magnetism , nanoclusters , isotropy , plasmon , light scattering , visible spectrum , scattering , materials science , condensed matter physics , extinction (optical mineralogy) , molecular physics , optics , physics , optoelectronics , nanotechnology

International audienceWe present a full experimental characterization of isotropic artificial optical magnetism at visible frequencies produced by “raspberrylike” plasmonic nanoclusters synthesized by a bottom-up approach. Experimental measurements of extinction and light scattering associated with numerical simulations enable one to extract absolute values of the magnetic scattering cross section across the whole visible spectral range. The strength of the resonant magnetic response of a single magnetic nanocluster is illustrated as the effective magnetic permeability of a homogeneous sphere of identical volume

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