High-Al-composition AlGaN/GaN MISHEMT on Si with fT of 320 GHz. - Hanghai Du; Lu Hao; Zhihong Liu; Zeyu Song; Yachao Zhang 002; Kui Dang; Jin Zhou; Jing Ning; Zan Li; Jincheng Zhang; Yue Hao 001 (Sci. China Inf. Sci., 2024)