ReviewPhotoacoustics2023
Concepts and use cases for picosecond ultrasonics with x-rays.
Review in Photoacoustics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Spatial stress profiling by picosecond ultrasonics with X-rays using buried detection layers.Photoacoustics · 2026Article
- Electron pressure drives THz phonons in metal-metal superlattices.Nature communications · 2026Article
- In situ mechanical characterization of functional and architected materials.Nature materials · 2026Review
- Grand Challenges and Opportunities in Stimulated Dynamic and Resonant Catalysis.ACS catalysis · 2026Review
- Ultrafast low-temperature metal-insulator interface phonon dynamics and heat transport in a Pt/GdStructural dynamics (Melville, N.Y.) · 2025Article
- Inverted temperature gradients in gold-palladium antenna-reactor nanoparticles.Nature communications · 2025Article
- Listening to the silence of quantum processes.Nature materials · 2025Article
- Ultrafast energy-dispersive soft-x-ray diffraction in the water window with a laser-driven source.Structural dynamics (Melville, N.Y.) · 2024Article
- Special issue introduction: Ultrafast photoacoustics.Photoacoustics · 2024Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
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 Bragg-peak shifts. This method provides direct, layer-specific, and quantitative information on the picosecond strain response for structures down to few-nm thickness. We model the transient strain using the elastic wave equation and express the driving stress using Grüneisen parameters stating that the laser-induced stress is proportional to energy density changes in the microscopic subsystems of the solid, i.e., electrons, phonons and spins. The laser-driven strain response can thus serve as an ultrafast proxy for local energy-density and temperature changes, but we emphasize the importance of the nanoscale morphology for an accurate interpretation due to the Poisson effect. The presented experimental use cases encompass ultrathin and opaque metal-heterostructures, continuous and granular nanolayers as well as negative thermal expansion materials, that each pose a challenge to established all-optical techniques.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.