A cluster of six nanoparticles was analyzed with similar results

A cluster of six nanoparticles was analyzed with similar results. The use of EELS unveiled bright and dark plasmon modes. The low-energy ones are located on the extremes of the long axis and the high-energy ones on the short axis. The sharper areas of the cluster present higher intensity in the resonance peak. The results presented in this manuscript contribute to the design of plasmonic circuits by metal nanoparticle paths. Authors’ information CDE is a Ph. D. student at the Universidad de Cádiz. WS is a Research

scientist at the Stuttgart Center for Electron Microscopy (StEM), Max Plank Institute for intelligent systems, PAvA is head of the Stuttgart Center for Electron Microscopy

(StEM), Max Planck Institute for intelligent systems. SIM is a full professor at the Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, NSC23766 Universidad de Cádiz. Acknowledgments This work was supported by the Spanish MINECO (projects TEC20011-29120-C05-03 and CONSOLIDER INGENIO 2010 CSD2009-00013) and the Junta de Andalucía (PAI research group TEP-946 INNANOMAT). We would like to thank Giovanni Scavello for helping us on the layout of the figures. References 1. Maier SA: Plasmonics: Fundamentals and Applications. 1st edition. New York: Springer; 2007. 2. Duan HG, Fernandez-Dominguez AI, Bosman M, Maier SA, Yang JKW: Nanoplasmonics: Masitinib (AB1010) classical down to the nanometer scale. Nano Lett 2012, 12:1683–1689.CrossRef 3. Barrow SJ, Funston selleck chemical AM, Gomez DE, Davis TJ, Mulvaney P: Surface plasmon resonances in strongly coupled gold nanosphere chains from monomer to hexamer. Nano Lett 2011, 11:4180–4187.CrossRef 4. Warner MG, Hutchison JE: Linear assemblies of nanoparticles electrostatically organized on DNA scaffolds. Nat Mater 2003, 2:272–277.CrossRef 5. Woehrle GH, Warner MG, Hutchison JE: Molecular-level

control of feature separation in ARN-509 mouse one-dimensional nanostructure assemblies formed by biomolecular nanolithography. Langmuir 2004, 20:5982–5988.CrossRef 6. de Abajo FJG, Kociak M: Probing the photonic local density of states with electron energy loss spectroscopy. Phys Rev Lett 2008, 100:06804. 7. Nelayah J, Kociak M, Stephan O, de Abajo FJG, Tence M, Henrard L, Taverna D, Pastoriza-Santos I, Liz-Marzan LM, Colliex C: Mapping surface plasmons on a single metallic nanoparticle. Nat Phys 2007, 3:348–353.CrossRef 8. Sigle W, Gu L, Talebi N, Ögüt B, Koch C, Vogelgesang R, van Aken P: EELS and EFTEM of surface plasmons in metallic nanostructures. Microsc Microanal 2011, 17:762–763.CrossRef 9. Guiton BS, Iberi V, Li SZ, Leonard DN, Parish CM, Kotula PG, Varela M, Schatz GC, Pennycook SJ, Camden JP: Correlated optical measurements and plasmon mapping of silver nanorods. Nano Lett 2011, 11:3482–3488.CrossRef 10.

Comments are closed.