Geometrically induced π-band splitting in graphene superlattices Project jointly supported by the Natural Science Foundation of Shandong Province (Grant NO. TSHW20101004) and the National Natural Science Foundation of China (Grant Nos. 11374128 and 11674129). |
(color online) The Dirac point shifts induced by the uniaxial strain in the (1,1) and (1,2) PGSes are presented in the left and right panels, respectively. |