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Quantization of Acoustic Modes in Dumbbell ...
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Document type :
Article dans une revue scientifique
DOI :
10.1103/PhysRevLett.128.048003
Title :
Quantization of Acoustic Modes in Dumbbell Nanoparticles
Author(s) :
Wang, Zuyuan [Auteur]
Max Planck Institute for Polymer Research
Kim, Hojin [Auteur]
University of Delaware [Newark]
Secchi, Maria [Auteur]
University of Trento [Trento]
Montagna, Maurizio [Auteur]
University of Trento [Trento]
Furst, Eric [Auteur]
University of Delaware [Newark]
Djafari-Rouhani, Bahram [Auteur]
Physique - IEMN [PHYSIQUE - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Fytas, George [Auteur]
Max Planck Institute for Polymer Research
Journal title :
Physical Review Letters
Pages :
048003
Publisher :
American Physical Society
Publication date :
2022-01-26
ISSN :
0031-9007
English keyword(s) :
Light-matter interaction
Scattering theory
HAL domain(s) :
Sciences de l'ingénieur [physics]
English abstract : [en]
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 ...
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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 increasesShow less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520
Source :
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