Physical mechanisms of coherent acoustic phonons generation by ultrafast laser action

P Ruello, VE Gusev - Ultrasonics, 2015 - Elsevier
In this review we address the microscopic mechanisms that are involved in the
photogeneration processes of GHz–THz coherent acoustic phonons (CAP) induced by an …

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 …

Electron-phonon coupling in metals at high electronic temperatures

N Medvedev, I Milov - Physical Review B, 2020 - APS
Even though electron-phonon coupling is one of the most important parameters governing
material evolution after ultrafast energy deposition it remains the most unexplored one. In …

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 …

Hot-Electron-Induced Ultrafast Demagnetization in Multilayers

N Bergeard, M Hehn, S Mangin, G Lengaigne… - Physical review …, 2016 - APS
Using specially engineered structures to tailor the optical absorption in a metallic multilayer,
we analyze the magnetization dynamics of a Co/Pt multilayer buried below a thick Cu layer …

The modern problems of ultrafast magnetoacoustics

VS Vlasov, AV Golov, LN Kotov, VI Shcheglov… - Acoustical …, 2022 - Springer
A review of modern lines of research in the field of ultrafast magnetoacoustics is presented.
Effects of interaction of ultrashort (picosecond) acoustic pulses with a magnetic subsystem of …

[HTML][HTML] Concepts and use cases for picosecond ultrasonics with x-rays

M Mattern, A von Reppert, SP Zeuschner, M Herzog… - Photoacoustics, 2023 - Elsevier
This review discusses picosecond ultrasonics experiments using ultrashort hard x-ray probe
pulses to extract the transient strain response of laser-excited nanoscopic structures from …

Picosecond acoustic-excitation-driven ultrafast magnetization dynamics in dielectric Bi-substituted yttrium iron garnet

M Deb, E Popova, M Hehn, N Keller, S Mangin… - Physical Review B, 2018 - APS
Using femtosecond optical pulses, we have investigated the ultrafast magnetization
dynamics induced in a dielectric film of bismuth-substituted yttrium iron garnet (Bi-YIG) …

Enhanced heat transfer with metal-dielectric core-shell nanoparticles

A Alkurdi, J Lombard, F Detcheverry, S Merabia - Physical Review Applied, 2020 - APS
Heat transfer from irradiated metallic nanoparticles is relevant to a broad array of
applications ranging from water desalination to photoacoustics. The efficiency of such …

Ultrafast acousto-plasmonics in gold nanoparticle superlattices

P Ruello, A Ayouch, G Vaudel, T Pezeril, N Delorme… - Physical Review B, 2015 - APS
We report the investigation of the generation and detection of GHz coherent acoustic
phonons in plasmonic gold nanoparticle superlattices (NPSs). The experiments have been …