GaN HEMT with improved electrical performance enabled by hybrid AlN nucleation layers. - Yu, Bowei; Zhang, Haochen; Liu, Hongyu; Li, Jiayao; Ye, Fang; Chen, Li; Tang, Jun; Qi, Shengli; Liu, Zhibin; Sun, Haiding; Ye, Jichun; Guo, Wei (Applied Physics Letters, 2026)