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Conferences > UP > 2020 > M4A > M4A.27

Ultrafast generation of coherent acoustic phonons with THz picoseconds pulses in metals and topological insulators nanofilms

A. Levchuk, G. Vaudel, B. Wilk, F. Labbé, B. Arnaud, K. Balin, J. Szade, P. Ruello, and V. Juvé

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Abstract

We report for the first time the generation of coherent acoustic phonons in materials with terahertz ultrashort pulses. This is demonstrated in metals and topological insulators by exciting acoustic eigenmode in nanometric sized thin films.

© 2020 The Author(s)

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