In this contribution, we simulate and design a electronically tunable microstrip attenuator based on graphene. To this aim, graphene is modeled as an ideal surface resistor at microwave frequency (5 GHz), changing with an external electric Bias. The presented device includes a patch of graphene, whose characteristics can range from fairly good conductor to highly lossy material, depending on the applied voltage. By applying the proper voltage through two high-impedance bias lines, the achieved change in the surface resistivity of graphene induces appreciable change of the insertion loss of the microstrip attenuator. © 2014 European Microwave Association-EUMA
Microwave applications of graphene for tunable devices / Pierantoni, Luca; Mencarelli, Davide; Bozzi, Maurizio; Moro, Riccardo; Bellucci, Stefano. - ELETTRONICO. - (2014), pp. 1456-1459. (Intervento presentato al convegno 44th European Microwave Conference, 17th European Microwave Week, EuMW 2014 tenutosi a Roma, italy nel Oct. 6-9, 2014) [10.1109/EuMC.2014.6986721].
Microwave applications of graphene for tunable devices
PIERANTONI, Luca
;MENCARELLI, Davide;
2014-01-01
Abstract
In this contribution, we simulate and design a electronically tunable microstrip attenuator based on graphene. To this aim, graphene is modeled as an ideal surface resistor at microwave frequency (5 GHz), changing with an external electric Bias. The presented device includes a patch of graphene, whose characteristics can range from fairly good conductor to highly lossy material, depending on the applied voltage. By applying the proper voltage through two high-impedance bias lines, the achieved change in the surface resistivity of graphene induces appreciable change of the insertion loss of the microstrip attenuator. © 2014 European Microwave Association-EUMAI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
