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Conferences > UP > 2020 > Tu4B > Tu4B.39

Electron-phonon coupling in few layer WS2 measured by pump-degenerate four-wave mixing

Joseph P. Avenoso, Daniela Zahn, and Lars Gundlach

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Abstract

Femtosecond pump-degenerate four-wave mixing is employed to measure the ultrafast phonon response triggered by electronic excitation in few layer WS2. 2LA(M) and low wavenumber modes facilitate electron-phonon coupling on the picosecond time-scale after excitation..

© 2020 The Author(s)

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