Analysis of transconductance characteristic of AlGaN/GaN HEMTs with graded AlGaN layerShenqi Qu, Xiaoliang Wang, Hongling Xiao, Cuimei Wang, Lijuan Jiang, Chun Feng, Hong Chen, Haibo Yin, Enchao Peng, He Kang, Zhanguo Wang and Xun HouEur. Phys. J. Appl. Phys., 66 2 (2014) 20101DOI: https://doi.org/10.1051/epjap/2014130368