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Related Concept Videos

Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
Sound Waves: Resonance01:14

Sound Waves: Resonance

Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
Parallel Resonance01:23

Parallel Resonance

The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:

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Related Experiment Video

Updated: May 23, 2026

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
07:44

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems

Published on: April 28, 2016

Multimode resonances in silver nanocuboids.

Michael B Cortie1, Fengguo Liu, Matthew D Arnold

  • 1Institute for Nanoscale Technology, University of Technology Sydney, PO Box 123, Broadway NSW 2007, Australia. michael.cortie@uts.edu.au

Langmuir : the ACS Journal of Surfaces and Colloids
|March 28, 2012
PubMed
Summary
This summary is machine-generated.

Researchers created precisely shaped silver nanostructures that exhibit complex plasmon resonances, overcoming challenges in detecting these optical properties in experimental settings. This breakthrough enables better control and study of higher-order plasmon resonances.

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Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
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Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

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Last Updated: May 23, 2026

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
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Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
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Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
09:00

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Area of Science:

  • Plasmonics
  • Nanophotonics
  • Materials Science

Background:

  • Silver nanoparticles exhibit diverse plasmon resonances, including dipolar and higher-order modes, unlike simpler spherical or rod shapes.
  • Experimental detection of these multimode resonances is challenging due to particle size and shape variations in colloidal ensembles.

Purpose of the Study:

  • To investigate and confirm the presence of predicted multimode plasmon resonances in precisely controlled silver nanoparallelepipeds.
  • To demonstrate a method for controlling higher-order plasmon resonances in silver nanoparticles.

Main Methods:

  • Fabrication of monodisperse silver nanoparallelepipeds using gold nanorods as nucleation seeds for controlled anisotropic growth.
  • Analysis of optical extinction spectra of the synthesized nanoparticles.
  • Theoretical modeling to correlate experimental spectra with predicted plasmon resonances.

Main Results:

  • Experimental optical extinction spectra revealed multiple distinct peaks, confirming the presence of multimode plasmon resonances.
  • The study demonstrated that controlling the edge radius of the nanoparticles allows for tuning specific plasmon modes.
  • The synthesized monodisperse particles enabled clear observation of predicted higher-order plasmon resonances.

Conclusions:

  • Precisely shaped silver nanoparticles facilitate the observation of predicted higher-order plasmon resonances.
  • These nanoparticles offer a versatile platform for exploring and manipulating complex plasmonic phenomena.
  • Controlled synthesis is key to unlocking the potential of advanced plasmonic nanostructures.