Highly tunable and large bandwidth attenuator based on few-layer graphene, Yasir, M., Bozzi M., Perregrini L., Bistarelli S., Cataldo Antonino, and Bellucci S. , 2017 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, IMWS-AMP 2017, Volume 2018-January, p.1-3, (2018)