Silicon is doped with acceptor impurity atoms at a concentration of N. = 3 x 10 cm³. Assume Na = 0. Plot the position of the Fermi energy level with respect to the intrinsic Fermi energy level over the temperature range of 200 T≤600 K. Intrinsic carrier density n; (cm³) 1500 T(C) 1019 1000 500 200 100 270-20 1018 1017 1016 Ge 10's Si 1014 1013 1012 1011 1010 10% GaAs 10% 107 10 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 1000/T(K-1)