RT Journal Article T1 Flat-band optical phonons in twisted bilayer graphene A1 Cappelluti, Emmanuele A1 Rostami, Habib A1 Guinea, Francisco A1 Silva-Guillén, Jose Ángel YR 2023 FD 2023-09-01 LK http://hdl.handle.net/20.500.12614/3448 UL http://hdl.handle.net/20.500.12614/3448 LA en DS Repositorio institucional de IMDEA Nanociencia RD 16 may. 2026