Breakdown mechanisms in AlGaN/GaN high electron mobility transistors with different GaN channel thickness values*
Ma Xiao-Huaa), Zhang Ya-Mana), Wang Xin-Huab), Yuan Ting-Tingb), Pang Leib), Chen Wei-Weia), Liu Xin-Yub)†
       
Off-state breakdown characteristics measured at V GS = −6   V (below V TH) of sample A (a) and sample B (b). The BV off is defined as the V DS at which I D of 1 mA/mm is reached.