800 ${}^{\circ }$C Air-Ambient Operation of Extreme-Bandgap Al${}_x$Ga${}_{1-x}$N (x>0.6) Digital and Random-Alloy Channel HEMTs

Abdullah Al Mamun Mazumder, Tariq Jamil, Mafruda Rahman +11

This work demonstrates the high-temperature (room to 800 ${}^{\circ }$C) operation of thin Al${}_{0.62}$Ga${}_{0.38}$N digital alloy (DA) short-period superlattice (SPSL), and random alloy…