Method of evaluating interface traps in Al<sub>2</sub>O<sub>3</sub>/AlGaN/GaN high electron mobility transistors

Method of evaluating interface traps in Al₂O₃/AlGaN/GaN high electron mobility transistors

Bao Si-Qin-Gao-Wa^{1, 2, 3}, Ma Xiao-Hua^{1, 2, †}, Chen Wei-Wei⁴, Yang Ling^{1, 2}, Hou Bin^{1, 2}, Zhu Qing^{1, 2}, Zhu Jie-Jie^{1, 2}, Hao Yue²

(a) Plot of experimentally extracted trap state time constant versus (a) gate voltage and (b) trap density versus derived trap energy for Al₂O₃/AlGaN and AlGaN/GaN interface traps.