From silver nanolentils to nanocolumns: surface plasmon–polaritons and confined acoustic vibrations

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 21 Jun 2007 France, Spain English Publisher:Springer Science and Business Media LLCJournal:Applied Physics A, volume 89, pages 369-372 (issn: 0947-8396, eissn: 1432-0630,

Copyright policy )Funded by:NSERC | unidentified

Authors: Margueritat, Jeremie; Gonzalo, Jose; N. Afonso, Carmen; Bachelier, Guillaume; Mlayah, Adnen; Laarakker, A.; Murray, D. B.; +1 Authors

doi: 10.1007/s00339-007-4120-8

handle: 10261/52984

From silver nanolentils to nanocolumns: surface plasmon–polaritons and confined acoustic vibrations

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Abstract

Optical and vibrational properties of silver nanolentils, nanospheres, and nanocolumns are studied experimentally using optical transmission spectroscopy and low-frequency Raman scattering. The split of the surface plasmon–polariton resonance into transverse and longitudinal components due to the squeezing or to the elongation of the nanospheres is clearly observed. The vibration band frequencies are demonstrated to be strongly related to the average in-plane diameter, while the quadrupolar vibration modes observed depend on the shape of the nanoparticles.

This work was partially supported by MAT2005-06508-C02-01, MEC (Spain), and by EU Network HPRN-CT- 2002-00328. J.M. acknowledges an I3P fellowship from the CSIC and the European Social Fund. D.B.M. acknowledges support from NSERC.

4 pags. ; 4 figs

Peer reviewed

Countries

France, Spain

Related Organizations

Université de Toulouse
France
French National Centre for Scientific Research
France
University of Lyon System
France
Université Bourgogne Franche-Comté
France
University of Burgundy
France

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Keywords

[PACS] Phonons or vibrational states in low-dimensional structures and nanoscale materials, [PACS] Nanocrystals, nanoparticles, and nanoclusters, [PACS] Pulsed laser ablation deposition, [PHYS.COND.CM-MS] Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]

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