Author(s): Felix Herziger, Matteo Calandra, Paola Gava, Patrick May, Michele Lazzeri, Francesco Mauri, and Janina Maultzsch
Raman spectroscopy, in particular the 2D Raman mode, is widely used to characterize bilayer graphene. The assumption that the 2D mode can be interpreted in terms of four independent scattering processes is shown to be incorrect.
[Phys. Rev. Lett. 113, 187401] Published Thu Oct 30, 2014