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Plasmonic Nickel Nanoantennas
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- Chen, Jianing (author)
- Donostia International Physics Center,Centro de Investigacion Cooperativa en Nanociencias
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- Albella, Pablo (author)
- Donostia International Physics Center,Centro de Investigacion Cooperativa en Nanociencias
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- Pirzadeh Irannezhad, Zhaleh, 1985 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- (creator_code:org_t)
- 2011-06-16
- 2011
- English.
- In: SMALL. - : Wiley. - 1613-6810 .- 1613-6829. ; 7:16, s. 2341-2347
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Keyword
- ENHANCED RAMAN-SCATTERING
- NEAR-FIELD
- OPTICAL ANTENNAS
- NANOPARTICLES
- RESONANCES
- MOLECULES
- EMISSION
- VECTOR
- PROBE
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- art (subject category)
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