Dynamic Absorption Enhancement and Equivalent Resonant Circuit Modeling of Tunable Graphene-Metal Hybrid Antenna. - Zaka Ullah; Illani M. Nawi; Gunawan Witjaksono; Nelson Tansu; Muhammad Irfan Khattak; Muhammad Junaid; Muhammad Aadil Siddiqui; Saeed Ahmed Magsi (Sensors, 2020)