Nanophononics: state of the art and perspectives

S Volz, J Ordonez-Miranda, A Shchepetov… - The European Physical …, 2016‏ - Springer
Understanding and controlling vibrations in condensed matter is emerging as an essential
necessity both at fundamental level and for the development of a broad variety of …

Acoustic vibrations of metal nano-objects: Time-domain investigations

A Crut, P Maioli, N Del Fatti, F Vallée - Physics Reports, 2015‏ - Elsevier
Theoretical and time-domain experimental investigations of the vibrational acoustic
response of nano-objects are described focusing on metallic ones. Acoustic vibrations are …

Giant ultrafast photo-induced shear strain in ferroelectric BiFeO3

M Lejman, G Vaudel, IC Infante, P Gemeiner… - Nature …, 2014‏ - nature.com
Generation of strain using light is a key issue for future development of ultrasonic devices.
Up to now, photo-induced GHz–THz acoustic phonons have been mainly explored in metals …

Cohesion of amorphous silica spheres: Toward a better understanding of the coagulation growth of silicate dust aggregates

H Kimura, K Wada, H Senshu… - The Astrophysical …, 2015‏ - iopscience.iop.org
Adhesion forces between submicrometer-sized silicate grains play a crucial role in the
formation of silicate dust agglomerates, rocky planetesimals, and terrestrial planets. The …

Effect of nanoparticle size on the mechanical properties of nanoparticle assemblies

L An, D Zhang, L Zhang, G Feng - Nanoscale, 2019‏ - pubs.rsc.org
Nanoparticle assemblies (NPAs) have attracted tremendous interests of various research
communities. The particle-size-effect on mechanical properties of NPAs is systematically …

[HTML][HTML] Time-domain investigations of coherent phonons in van der waals thin films

F Vialla, N Del Fatti - Nanomaterials, 2020‏ - mdpi.com
Coherent phonons can be launched in materials upon localized pulsed optical excitation,
and be subsequently followed in time-domain, with a sub-picosecond resolution, using a …

Relevant length scales in Brillouin imaging of biomaterials: the interplay between phonons propagation and light focalization

M Mattarelli, M Vassalli, S Caponi - ACS Photonics, 2020‏ - ACS Publications
Recent advances in photonics technologies pushed optical microscopy toward new
horizons in materials characterization. In this framework, Brillouin microscopy emerged as …

[HTML][HTML] Probing gigahertz coherent acoustic phonons in TiO2 mesoporous thin films

ERC de Oliveira, C **ang, M Esmann, NL Abdala… - Photoacoustics, 2023‏ - Elsevier
Ultrahigh-frequency acoustic-phonon resonators usually require atomically flat interfaces to
avoid phonon scattering and dephasing, leading to expensive fabrication processes, such …

Direct observation of polymer surface mobility via nanoparticle vibrations

H Kim, Y Cang, E Kang, B Graczykowski… - Nature …, 2018‏ - nature.com
Measuring polymer surface dynamics remains a formidable challenge of critical importance
to applications ranging from pressure-sensitive adhesives to nanopatterning, where …

Influence of Surfactant-Mediated Interparticle Contacts on the Mechanical Stability of Supraparticles

J Wang, E Kang, U Sultan, B Merle… - The Journal of …, 2021‏ - ACS Publications
Colloidal supraparticles are micron-scale spherical assemblies of uniform primary particles,
which exhibit emergent properties of a colloidal crystal, yet exist as a dispersible powder. A …