“…Even if the test data can be fitted well with a power law after such a delay, the time exponent, n, depends on measurement speed [14,20]. Fig.1a shows that the reported time exponent, n, has a wide spread [8,17,[21][22][23][24][25][26][27], questioning the prediction accuracy when extrapolating based on these n values. To extract the correct NBTI kinetics, the as-grown-generation (A-G) model has been proposed [12,28].…”