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Título:	Plasmonic nickel nanoantennas
Autor:	Chen, Jianing CSIC ORCID; Albella, Pablo CSIC ORCID; Alonso-González, Pablo CSIC ORCID ; Bonanni, Valentina; Nogués, Josep CSIC ORCID; Dmitriev, Alexandre; Aizpurua, Javier CSIC ORCID ; Hillenbrand, Rainer
Fecha de publicación:	ago-2011
Editor:	Wiley-VCH
Citación:	Small 7(16): 2341-2347 (2011)
Resumen:	The fundamental optical properties of pure nickel nanostructures are studied by far-field extinction spectroscopy and optical near-field microscopy, providing direct experimental evidence of the existence of particle plasmon resonances predicted by theory. Experimental and calculated near-field maps allow for unambiguous identification of dipolar plasmon modes. By comparing calculated near-field and far-field spectra, dramatic shifts are found between the near-field and far-field plasmon resonances, which are much stronger than in gold nanoantennas. Based on a simple damped harmonic oscillator model to describe plasmonic resonances, it is possible to explain these shifts as due to plasmon damping.
Descripción:	7 páginas, 6 figuras.-- El pdf del artículo es la versión post-print.-- et al.
Versión del editor:	http://dx.doi.org/10.1002/smll.201100640
URI:	http://hdl.handle.net/10261/44025
DOI:	10.1002/smll.201100640
ISSN:	1613-6810
E-ISSN:	1613-6829
Aparece en las colecciones:	(CIN2) Artículos (CFM) Artículos

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PlasmonicNickelNano.pdf		1,28 MB	Adobe PDF	Visualizar/Abrir

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Plasmonic nickel nanoantennas