Quantization of Acoustic Modes in Dumbbell Nanoparticles

0 avis

Quantization of Acoustic Modes in Dumbbell Nanoparticles

Archive ouverte : Article de revue

Edité par HAL CCSD ; American Physical Society

International audience. The vibrational eigenmodes of dumbbell-shaped polystyrene nanoparticles are recorded by Brillouinlight spectroscopy (BLS), and the full experimental spectra are calculated theoretically. Different fromspheres with a degeneracy of (2l + 1), with l being the angular momentum quantum number, theeigenmodes of dumbbells are either singly or doubly degenerate owing to their axial symmetry. The BLSspectrum reveals a new, low-frequency peak, which is attributed to the out-of-phase vibration of the twolobes of the dumbbell. The quantization of acoustic modes in these molecule-shaped dumbbell particlesevolves from the primary colloidal spheres as the separation between the two lobes increases

Langue: Anglais

Date de publication: 2022-01-26

Source: ISSN: 0031-9007

Consulter en ligne

Consulter le document

Suggestions

Du même auteur

[Review] Fundamentals, progress and perspectives on high-frequency phononic...

Archive ouverte: Article de revue

Cang, Yu | 2022-05-12

International audience. Phononic crystals (PnCs) are capable of manipulating the flow of elastic energy through their periodic structures and have emerged as a promising field in the last two decades. Thanks to the ...

Optomechanical Hot-Spots in Metallic Nanorod–Polymer Nanocomposites

Archive ouverte: Article de revue

Vasileiadis, Thomas | 2022

International audience. Plasmonic coupling between adjacent metallic nanoparticles can be exploited for acousto-plasmonics, single-molecule sensing, and photochemistry. Light absorption or electron probes can be use...

Optomechanic Coupling in Ag Polymer Nanocomposite Films

Archive ouverte: Article de revue

Noual, Adnane | 2021

International audience. Particle vibrational spectroscopy has emerged as a new tool for the measurement of elasticity, glass transition, and interactions at a nanoscale. For colloid-based materials, however, the wea...

Du même sujet

A CMOS Compatible Thermoelectric Device made of Crystalline Silicon Membran...

Archive ouverte: Article de revue

Bah, Thierno-Moussa | 2022-12-10

International audience. Herein, we report the use of nanostructured crystalline silicon as a thermoelectric material and its integration into thermoelectric devices. The proof-of-concept relies on the partial suppre...

Effet de l'angle de charge sur les harmoniques d'efforts magnétiques dans l...

Archive ouverte: Communication dans un congrès

Le Besnerais, Jean | 2016-06-07

International audience. Cet article étudie l'effet de l'angle de charge sur les efforts harmoniques de Maxwell (tangentiels et radiaux) et les bruits et vibrations d'origine magnétique dans deux machines synchrones ...

Further investigation of convolutional neural networks applied in computati...

Archive ouverte: Article de revue

Gong, Ruohan | 2022-04-07

International audience. Convolutional neural networks (CNN) have shown great potentials and have been proven to be an effective tool for some image-based deep learning tasks in the field of computational electromagn...

Thermal and hygroscopic study of hemp concrete in real ambient conditions

Archive ouverte: Article de revue

Asli, M. | 2021-04

International audience

Opal: an open source ray-tracing propagation simulator for electromagnetic ...

Archive ouverte: Article de revue

Egea-Lopez, Esteban | 2021-11-17

International audience. Accurate characterization and simulation of electromagnetic propagation can be obtained by ray-tracing methods, which are based on a high frequency approximation to the Maxwell equations and ...

Techno-Economic Comparison of Total Cost of Ownership of Electric and Diese...

Archive ouverte: Article de revue

Desreveaux, Anatole | 2020

International audience. Despite their low environmental impact, electrical vehicles have low penetration in the automotive market. Consumers are reluctant for technical reasons (limited driving range and long chargi...

Chargement des enrichissements...