Role of the AlGaN Cap Layer on the Trapping Behaviour of N-Polar GaN MISHEMTs. - Francesca Chiocchetta; Claudia Calascione; Carlo De Santi; Chandan Sharma; Fabiana Rampazzo; Xun Zheng; Brian Romanczyk; Matthew Guidry; Haoran Li; Stacia Keller; Umesh K. Mishra; Gaudenzio Meneghesso; et al. (IRPS, 2021)