Damping of the Acoustic Vibrations of Individual Gold Nanoparticles

In this letter, the ultrafast vibrational dynamics of individual gold nanorings has been investigated by femtosecond transient absorption spectroscopy. Two acoustic vibration modes have been detected and identified. The influence of the mechanical coupling at the nanoparticle/substrate interface on...

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Veröffentlicht in:	Nano letters 2011-08, Vol.11 (8), p.3301-3306
Hauptverfasser:	Marty, Renaud, Arbouet, Arnaud, Girard, Christian, Mlayah, Adnen, Paillard, Vincent, Lin, Vivian Kaixin, Teo, Siew Lang, Tripathy, Sudhiranjan
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustics Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Damping Dynamic tests Exact sciences and technology Femtosecond Fullerenes and related materials Gold Lattice dynamics Materials science Nanocrystalline materials Nanoparticles Nanoscale materials and structures: fabrication and characterization Nanostructure Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Phonons in low-dimensional structures and small particles Physics Vibration Vibration mode Visible and ultraviolet spectra
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