@article{Cong-2019-Carbon, doi = {10.1016/j.carbon.2019.04.006}, year = {2019}, volume = {149}, pages = {19-24}, author = {Xin Cong and Qiao-Qiao Li and Xin Zhang and Miao-Ling Lin and Jiang-Bin Wu and Xue-Lu Liu and P. Venezuela and Ping-Heng Tan}, title = {Probing the acoustic phonon dispersion and sound velocity of graphene by Raman spectroscopy}, journal = {Carbon} }