Figure 3. Fermi level energy as a function of temperature: at high temperature EF varies linearly as EF = 0.17 – 2.63 x10-4TeV and at low temperature EF varies linearly as EF = 0.0897 + 5.34 x10-4eV

From

Electric Properties of n-GaN: Effect of Different Contacts on the Electronic Conduction

S. Abdalla, F. Marzouki, S. Al-ameer, S. Turkestani

International Journal of Physics. 2013, 1(2), 41-48 doi:10.12691/ijp-1-2-3