ArticlePhilosophical transactions. Series A, Mathematical, physical, and engineering sciences2020
High-resolution analogue of time-domain phonon spectroscopy in the transmission electron microscope.
Article in Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 16 citations in OpenAlex.
- Statistically elucidated responses from low-signal contrast mechanisms in ultrafast electron microscopy.Structural dynamics (Melville, N.Y.) · 2025Article
- Spatiotemporal determination of photoinduced strain in a Weyl semimetal.Structural dynamics (Melville, N.Y.) · 2024Article
- DynamicPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2020Article
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2 authors at 1 institution in 1 country.
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Abstract
Femtosecond photoexcitation of semiconducting materials leads to the generation of coherent acoustic phonons (CAPs), the behaviours of which are linked to intrinsic and engineered electronic, optical and structural properties. While often studied with pump-probe spectroscopic techniques, the influence of nanoscale structure and morphology on CAP dynamics can be challenging to resolve with these all-optical methods. Here, we used ultrafast electron microscopy (UEM) to resolve variations in CAP dynamics caused by differences in the degree of crystallinity in as-prepared and annealed GaAs lamellae. Following
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