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Abstract: 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.
Fuente: Small, 2011, 7(16), 2341-2347
Editorial: Wiley-VCH Verlag
Año de publicación: 2011
Nº de páginas: 7
Tipo de publicación: Artículo de Revista
DOI: 10.1002/smll.201100640
ISSN: 1613-6810,1613-6829
Proyecto español: MAT2009-08398
Url de la publicación: https://doi.org/10.1002/smll.201100640
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CHEN, JIANING
PABLO ALBELLA ECHAVE
PIRZADEH, ZHALEH
ALONSO-GONZÁLEZ, PABLO
HUTH, FLORIAN
BONETTI, STEFANO
BONANNI, VALENTINA
ÅKERMAN, JOHAN
NOGUÉS, JOSEP
VAVASSORI, PAOLO
DMITRIEV, ALEXANDRE
AIZPURUA, JAVIER
HILLENBRAND, RAINER
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