TY - GEN A1 - Bartolomeo, Antonio di A1 - Giubileo, Filippo A1 - Romeo, Francesco A1 - Sabatino, Paolo A1 - Carapella, Giovanni A1 - Iemmo, Laura A1 - Schröder, Thomas A1 - Lupina, Grzegorz T1 - Graphene field effect transistors with Niobium contacts and asymmetric transfer characteristics T2 - Nanotechnology Y1 - 2015 SN - 1361-6528 SN - 0957-4484 VL - 26 IS - 47 SP - 475202 ER -