EPJ Web Conf.
Volume 205, 2019XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)
|Number of page(s)||3|
|Section||Semiconductors, Transition-Metals and Nanocrystals|
|Published online||16 April 2019|
Raman spectroscopy of graphene under ultrafast laser excitation
1 Physics Department, University Rome “Sapienza”, Rome, Italy
2 Istituto Italiano di Tecnologia, Center for Life Nano Science @Sapienza, Rome, Italy
3 ISC-CNR, Rome, Italy
4 Cambridge Graphene Centre, University of Cambridge, Cambridge CB3 OFA, UK
5 IFN-CNR, Dipartimento di Fisica, Politecnico di Milano, P.zza L. da Vinci 32, 20133 Milano, Italy
Published online: 16 April 2019
The out-of-equilibrium Raman response of graphene is addressed by pulsed laser excitation. Phonon spectrum is rationalized by revisiting the electron-phonon picture in the light of a transient broadening of the Dirac cone.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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