A. Mermet
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View article: Inelastic Light Scattering by Long Narrow Gold Nanocrystals: When Size, Shape, Crystallinity, and Assembly Matter
Inelastic Light Scattering by Long Narrow Gold Nanocrystals: When Size, Shape, Crystallinity, and Assembly Matter Open
We report the synthesis of long narrow gold nanocrystals and the study of their vibrational dynamics using inelastic light-scattering measurements. Rich experimental spectra are obtained for monodomain gold nanorods and pentagonal twinned …
View article: Inelastic Light Scattering by Multiple Vibrational Modes in Individual Gold Nanodimers
Inelastic Light Scattering by Multiple Vibrational Modes in Individual Gold Nanodimers Open
International audience
View article: Correlated evolution of structure and mechanical loss of a sputtered silica film
Correlated evolution of structure and mechanical loss of a sputtered silica film Open
Energy dissipation in amorphous coatings severely affects high-precision optical and quantum transducers. In order to isolate the source of coating loss, we performed an extensive study of Raman scattering and mechanical loss of a thermall…
View article: Acoustic Mode Hybridization in a Single Dimer of Gold Nanoparticles
Acoustic Mode Hybridization in a Single Dimer of Gold Nanoparticles Open
The acoustic vibrations of single monomers and dimers of gold nanoparticles were investigated by measuring for the first time their ultralow-frequency micro-Raman scattering. This experiment provides access not only to the frequency of the…
View article: Amorphous tantala and its relationship with the molten state
Amorphous tantala and its relationship with the molten state Open
The structure factors of molten Ta2O5 and Nb2O5 have been measured by high-energy x-ray and pulsed neutron diffraction. These are compared to transmission-mode x-ray diffraction through a self-supported 15-mu m ion-beam sputtered amorphous…
View article: Contact laws between nanoparticles: the elasticity of a nanopowder
Contact laws between nanoparticles: the elasticity of a nanopowder Open
Studies of the mechanical contact between nanometer-scale particles provide fundamental insights into the mechanical properties of materials and the validity of contact laws at the nanoscale which are still under debate for contact surface…
View article: Mechanisms of resonant low frequency Raman scattering from metallic nanoparticle Lamb modes
Mechanisms of resonant low frequency Raman scattering from metallic nanoparticle Lamb modes Open
The low frequency Raman scattering from gold nanoparticle bimodal assemblies with controlled size distributions has been studied. Special care has been paid to determining the size dependence of the Raman intensity corresponding to the qua…
View article: Inelastic Light Scattering Contribution to the Study of the Onset of Sintering of a Nanopowder
Inelastic Light Scattering Contribution to the Study of the Onset of Sintering of a Nanopowder Open
International audience
View article: Mechanical Coupling in Gold Nanoparticles Supermolecules Revealed by Plasmon-Enhanced Ultralow Frequency Raman Spectroscopy
Mechanical Coupling in Gold Nanoparticles Supermolecules Revealed by Plasmon-Enhanced Ultralow Frequency Raman Spectroscopy Open
Acoustic vibrations of assemblies of gold nanoparticles were investigated using ultralow frequency micro-Raman scattering and finite element simulations. When exciting the assemblies resonantly with the surface plasmon resonance of electro…
View article: The mass load effect on the resonant acoustic frequencies of colloidal semiconductor nanoplatelets
The mass load effect on the resonant acoustic frequencies of colloidal semiconductor nanoplatelets Open
Downshift of nanoplatelets resonance frequencies due to ligand mass loads.
View article: Homogeneity of bismuth-distribution in bismuth-doped alkali germanate laser glasses towards superbroad fiber amplifiers
Homogeneity of bismuth-distribution in bismuth-doped alkali germanate laser glasses towards superbroad fiber amplifiers Open
Compared to rare-earth doped glasses, bismuth-doped glasses hold promise for super-broadband near-infrared (NIR) photoemission and potential applications in optical amplification. However, optically active bismuth centers are extremely sen…