ArticleNature communications2016
Femtosecond electron imaging of defect-modulated phonon dynamics.
Article in Nature communications, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed.
- Atomically Resolved Acoustic Dynamics Coupled with Magnetic Order in a Van der Waals Antiferromagnet.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Statistically elucidated responses from low-signal contrast mechanisms in ultrafast electron microscopy.Structural dynamics (Melville, N.Y.) · 2025Article
- Influence of Photoemission Geometry on Timing and Efficiency in 4D Ultrafast Electron Microscopy.Chemphyschem : a European journal of chemical physics and physical chemistry · 2025Article
- Spatiotemporal determination of photoinduced strain in a Weyl semimetal.Structural dynamics (Melville, N.Y.) · 2024Article
- Terahertz control and timing correlations in a transmission electron microscope.Science advances · 2024Article
- Electron Imaging of Nanoscale Charge Distributions Induced by Femtosecond Light Pulses.Nano letters · 2024Article
- Real-time imaging of acoustic waves in bulk materials with X-ray microscopy.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Article
- Characterizing an Optically Induced Sub-micrometer Gigahertz Acoustic Wave in a Silicon Thin Plate.Nano letters · 2023Article
- Time-resolved transmission electron microscopy for nanoscale chemical dynamics.Nature reviews. Chemistry · 2023Review
- Femtosecond-resolved imaging of a single-particle phase transition in energy-filtered ultrafast electron microscopy.Science advances · 2023Article
- Influence of strain on an ultrafast phase transition.Nanoscale · 2022Article
- X-ray nanodiffraction imaging reveals distinct nanoscopic dynamics of an ultrafast phase transition.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Tailored nanophononic wavefield in a patterned bilayer system probed by ultrafast convergent beam electron diffraction.Structural dynamics (Melville, N.Y.) · 2022Article
- A kiloelectron-volt ultrafast electron micro-diffraction apparatus using low emittance semiconductor photocathodes.Structural dynamics (Melville, N.Y.) · 2022Article
- Article
- Spatiotemporal observation of light propagation in a three-dimensional scattering medium.Scientific reports · 2021Article
- Finite-element simulation of photoinduced strain dynamics in silicon thin plates.Structural dynamics (Melville, N.Y.) · 2021Article
- Time-Domain Investigations of Coherent Phonons in van der Waals Thin Films.Nanomaterials (Basel, Switzerland) · 2020Review
- High-resolution analogue of time-domain phonon spectroscopy in the transmission electron microscope.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2020Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Precise manipulation and control of coherent lattice oscillations via nanostructuring and phonon-wave interference has the potential to significantly impact a broad array of technologies and research areas. Resolving the dynamics of individual phonons in defect-laden materials presents an enormous challenge, however, owing to the interdependent nanoscale and ultrafast spatiotemporal scales. Here we report direct, real-space imaging of the emergence and evolution of acoustic phonons at individual defects in crystalline WSe2 and Ge. Via bright-field imaging with an ultrafast electron microscope, we are able to image the sub-picosecond nucleation and the launch of wavefronts at step edges and resolve dispersion behaviours during propagation and scattering. We discover that the appearance of speed-of-sound (for example, 6 nm ps(-1)) wavefronts are influenced by spatially varying nanoscale strain fields, taking on the appearance of static bend contours during propagation. These observations provide unprecedented insight into the roles played by individual atomic and nanoscale features on acoustic-phonon dynamics.
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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.