[J-1-3] AlGaN/GaN HFET using AlN/GaN Superlattice Barrier Layer S. Yagi1、Y. Kawakami1、X. Q. Shen1、A. Nakajima1、T. Ide1、M. Shimizu1 (1.AIST) https://doi.org/10.7567/SSDM.2009.J-1-3