In this study, we demonstrate that any complex nanostructure that belongs to , with , symmetry point group for along at least one dimension displays apolar linear response to light input when the incoming wave vector is parallel to the axis. Triangle and star shaped gold nanoparticles were designed and fabricated by electron beam lithography (EBL) technique. The apolar behavior of such nanostructures was experimentally confirmed by way of localized surface plasmon resonances (LSPR) properties and surface-enhanced Raman scattering (SERS) measurements.
Dans cet article, nous démontrons que toutes les nanostructures, même de géométrie complexe, qui appartiennent au groupe de symétrie ponctuel avec ont une réponse optique linéaire ne dépendant pas de la polarisation de la lumière incidente, si son vecteur dʼonde est parallèle à lʼaxe de symétrie . Nous avons fabriqué des nanoparticules dʼor en forme de triangle et dʼétoile par lithographie électronique. Leur comportement apolaire est confirmé expérimentalement par des mesures sur les résonances plasmon et par diffusion Raman exaltée de surface.
Mot clés : Nanoparticules dʼor, Polarisation optique, Groupe ponctuel de symétrie
Hong Shen 1; Jérémy Rouxel 1, 2; Nicolas Guillot 3; Marc Lamy de la Chapelle 3; Timothée Toury 1
@article{CRPHYS_2012__13_8_830_0, author = {Hong Shen and J\'er\'emy Rouxel and Nicolas Guillot and Marc Lamy de la Chapelle and Timoth\'ee Toury}, title = {Light polarization properties of three fold symmetry gold nanoparticles: {Model} and experiments}, journal = {Comptes Rendus. Physique}, pages = {830--836}, publisher = {Elsevier}, volume = {13}, number = {8}, year = {2012}, doi = {10.1016/j.crhy.2012.09.004}, language = {en}, }
TY - JOUR AU - Hong Shen AU - Jérémy Rouxel AU - Nicolas Guillot AU - Marc Lamy de la Chapelle AU - Timothée Toury TI - Light polarization properties of three fold symmetry gold nanoparticles: Model and experiments JO - Comptes Rendus. Physique PY - 2012 SP - 830 EP - 836 VL - 13 IS - 8 PB - Elsevier DO - 10.1016/j.crhy.2012.09.004 LA - en ID - CRPHYS_2012__13_8_830_0 ER -
%0 Journal Article %A Hong Shen %A Jérémy Rouxel %A Nicolas Guillot %A Marc Lamy de la Chapelle %A Timothée Toury %T Light polarization properties of three fold symmetry gold nanoparticles: Model and experiments %J Comptes Rendus. Physique %D 2012 %P 830-836 %V 13 %N 8 %I Elsevier %R 10.1016/j.crhy.2012.09.004 %G en %F CRPHYS_2012__13_8_830_0
Hong Shen; Jérémy Rouxel; Nicolas Guillot; Marc Lamy de la Chapelle; Timothée Toury. Light polarization properties of three fold symmetry gold nanoparticles: Model and experiments. Comptes Rendus. Physique, Volume 13 (2012) no. 8, pp. 830-836. doi : 10.1016/j.crhy.2012.09.004. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2012.09.004/
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