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

Autor: A. Levchuk, G. Vaudel, J. Szade, Bartosz Wilk, V. Juvé, F. Labbé, Katarzyna Balin, P. Ruello, B. Arnaud
Rok vydání: 2020
Předmět:
Zdroj: The 22nd International Conference on Ultrafast Phenomena 2020.
DOI: 10.1364/up.2020.m4a.27
Popis: 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.
Databáze: OpenAIRE