Improved RF power performance via electrostatic shielding effect using AlGaN/GaN/graded-AlGaN/GaN double-channel structure. - Chunzhou Shi; Ling Yang 003; Meng Zhang; Hao Lu 012; Mei Wu; Bin Hou; Xuerui Niu; Qian Yu; Wenliang Liu 003; Wenze Gao; Xiaohua Ma 001; Yue Hao 001 (Sci. China Inf. Sci., 2024)