Plasmonic Nickel Nanoantennas
Journal article, 2011
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-fi eld 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.
Author
Jianing Chen
Donostia International Physics Center
CIC nanoGUNE
Pablo Albella
Donostia International Physics Center
CIC nanoGUNE
Zhaleh Pirzadeh Irannezhad
Chalmers, Applied Physics, Bionanophotonics
Pablo Alonso-Gonzalez
CIC nanoGUNE
Florian Huth
Neaspec GmbH
CIC nanoGUNE
Stefano Bonetti
Royal Institute of Technology (KTH)
Valentina Bonanni
Chalmers, Applied Physics, Bionanophotonics
Johan Åkerman
University of Gothenburg
Josep Nogues
Universitat Autonoma de Barcelona (UAB)
Catalan Institution for Research and Advanced Studies
Paolo Vavassori
CIC nanoGUNE
Basque Foundation for Science (Ikerbasque)
Alexander Dmitriev
Chalmers, Applied Physics, Bionanophotonics
Javier Aizpurua
Donostia International Physics Center
Rainer Hillenbrand
Basque Foundation for Science (Ikerbasque)
CIC nanoGUNE
Small
1613-6810 (ISSN) 1613-6829 (eISSN)
Vol. 7 16 2341-2347Areas of Advance
Nanoscience and Nanotechnology
Materials Science
Subject Categories
Other Engineering and Technologies
Atom and Molecular Physics and Optics
Other Materials Engineering
Roots
Basic sciences
DOI
10.1002/smll.201100640