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2D materials

2D materials

How fast does sound travel through 2D materials? It depends on how their layers stack

07 Nov 2021 Isabelle Dumé
picosecond ultrasonics technique
The picosecond ultrasonics technique to probe atomic bonds and vdW forces in In2Se3. In the experiment, blue-coloured pump laser pulses are shone on a flake of 2D material, and red-coloured probe laser pulses are used to probe the strength of atomic bonds. (Courtesy: Wenjing Yan, University of Nottingham)
A new ultrasound technique that measures the strength of atomic bonds within two-dimensional (2D) ma

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