Figure 3

(a,b) show the absolute value of gate leakage current density (|J|) of sample A and B in the log coordinate from −5 to 5 V, respectively; (c,d) show the J of sample A and B from 0 to −5 V, respectively.

(a,b) show the absolute value of gate leakage current density (|J|) of sample A and B in the log coordinate from −5 to 5 V, respectively; (c,d) show the J of sample A and B from 0 to −5 V, respectively.