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(Color online) Shift of pull-up state capacitance-voltage characteristic vs time after stress of a device stressed for 5 min at 40 V.
(Color online) Bias for capacitance minimum (Vm) transient for a device stressed for 5 min at 40 V for the (o) sample annealed to remove humidity and (Δ) the not annealed sample.
(Color online) Calculated discharge current density and corresponding current vs time for a device stressed at 40 V for 5 min for the (o) sample annealed to remove humidity and (Δ) the not annealed sample.
(Color online) Dependence of fitting accuracy on the values of parameters τ and β. The fittings are performed by increasing the fitting value of time constant τ by 5% or decreasing the fitting value of stretch factor β by 5%, with respect to these obtained from Fig. 3. The inset shows the percentage deviations of resulting fittings from original one.
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