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Related Experiment Video

Updated: May 31, 2026

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
09:12

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Plasmonic nickel nanoantennas.

Jianing Chen1, Pablo Albella, Zhaleh Pirzadeh

  • 1CIC nanoGUNE Consolider, 20018 Donostia-San Sebstián, Spain; Centro de Fisica de Materiales (CSIC-UPV/EHU) and Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Spain.

Small (Weinheim an Der Bergstrasse, Germany)
|June 17, 2011
PubMed
Summary

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Researchers studied nickel nanostructures, observing particle plasmon resonances. They found significant shifts between near-field and far-field spectra, explained by plasmon damping.

Area of Science:

  • Plasmonics
  • Nanophotonics
  • Optical properties of materials

Background:

  • Particle plasmon resonances are theoretically predicted phenomena in metallic nanostructures.
  • Understanding these resonances is crucial for developing advanced optical devices.

Purpose of the Study:

  • To experimentally investigate the optical properties of pure nickel nanostructures.
  • To provide evidence for particle plasmon resonances and analyze their behavior.

Main Methods:

  • Far-field extinction spectroscopy was employed to measure optical properties.
  • Optical near-field microscopy was used to map plasmonic field distributions.
  • Experimental and calculated near-field maps were compared to identify plasmon modes.
Keywords:
magnetic nanoparticlesnear-field optical imagingoptical antennasplasmonicsscattering-type scanning near-field optical microscopy

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Related Experiment Videos

Last Updated: May 31, 2026

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
09:12

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography
08:21

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Published on: September 2, 2017

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
09:00

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Main Results:

  • Direct experimental evidence for particle plasmon resonances in nickel nanostructures was obtained.
  • Dipolar plasmon modes were unambiguously identified using near-field maps.
  • Significant spectral shifts between near-field and far-field plasmon resonances were observed, exceeding those in gold nanoantennas.

Conclusions:

  • The observed spectral shifts can be explained by plasmon damping using a damped harmonic oscillator model.
  • Nickel nanostructures exhibit unique plasmonic behaviors distinct from gold.
  • This research contributes to the fundamental understanding of plasmonics in nickel nanostructures.