- Consider a silicon sample at π=300πΎ that is uniformly doped with acceptor impurity atoms at a concentration of ππ=1016ππβ3 tt π‘=0, a light source is turned on generating excess carriers uniformly throughout the sample at a rate of πβ² =8Γ1020ππβ3π β1 tssume the minority carrier lifetime is ππ0 =5 Γ 10β7π , and assume mobility values of ππ = 900ππ2/π β π πππ ππ = 380ππ2/π β π Β (a) Determine the conductivity of the silicon as a function of time for π‘β₯0 (b) What is the value of conductivity at (i) π‘=0 and (ii) π‘=β?
