Fig. 1. Program flow chart of self consistent solution of electron number and electron temperature

Fig. 2. Calculation result of the scattering rate of each energy level under different bias voltages

Fig. 3. Relative error of the scattering rate calculation result relative to the mean value under different bias voltage

Fig. 4. (a) Calculation result of the electron temperature of each energy level under different bias voltage

Fig. 5. Relative error of the electron temperatures of each energy level relative to the mean value under different bias voltage