The values of n = 2.516 and A0were derived from the slope and the intercept of ln D−ln t plots by linear fifitting (fifigure 5(a)). The activation energy Q = 102.5 kJ mol−1 and A = 10.55 × 107were determined from lnA0−1/T (fifigure 5(b)).
The values of n = 2.516 and A0were derived from the slope and the intercept of ln D−ln t plots by linear fifitting (fifigure 5(a)). The activation energy Q = 102.5 kJ mol−1 and A = 10.55 × 107were determined from lnA0−1/T (fifigure 5(b)).