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| Title: | Plasmonic nickel nanoantennas |
| Authors: | Chen, Jianing; Albella, Pablo  ; Alonso-González, Pablo ; Bonanni, Valentina; Nogués, Josep ; Dmitriev, Alexandre; Aizpurua, Javier ; Hillenbrand, Rainer |
| Issue Date: | Aug-2011 |
| Publisher: | Wiley-VCH |
| Citation: | Small 7(16): 2341-2347 (2011) |
| 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. |
| Description: | 7 páginas, 6 figuras.-- El pdf del artículo es la versión post-print.-- et al. |
| Publisher version (URL): | 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 |
| Appears in Collections: | (CIN2) Artículos (CFM) Artículos |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| PlasmonicNickelNano.pdf | 1,28 MB | Adobe PDF |  View/Open |
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