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Communication Dans Un Congrès Année : 2022

Acoustic vibrations of nano-objects

Résumé

Acoustic vibrations of nanoparticles were first observed using inelastic light scattering 4 decades ago. Significant advances in the synthesis of nano-objects and frequency and time-domain spectroscopy techniques have made it possible to investigate the sensitivity of these vibrations to the structure (size, shape, crystal structure) and environment of the nano-objects. This lecture will present an overview of this field and focus in particular on recent experimental results and models required to describe the acoustic vibrations of various kinds of nano-objects and their symmetry. References: - E. Duval, A. Boukenter, and B. Champagnon, Phys. Rev. Lett. 56, 2052 (1986) - H. Portalès, N. Goubet, S. Casale, X. Z. Xu, M. Ariane, A. Mermet, J. Margueritat, and L. Saviot, ACS Nano 14, 4395 (2020) - https://saviot.cnrs.fr
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Dates et versions

hal-03878278 , version 1 (29-11-2022)

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  • HAL Id : hal-03878278 , version 1

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Lucien Saviot. Acoustic vibrations of nano-objects. SEL2022 - 8th international school of sound and light, Sep 2022, Saint-Pierre-d'Oléron, France. ⟨hal-03878278⟩
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