Question

Drift, Diffusion and Recombination A trace of the minority carrier concentration in a Hayes-Shockley experiment was measured as shown below. The conditions of the experiment were: N= 2x1015 cm-2 E 300 V/cm 1 trace: 106 sec, Apa(max) 2.1296x1016 cm3 and occurs at position x 0.1489 cm Problem 5) Determine the hole mobility a) 496.4 cm2/(V sec) b) 8693 cm'/(V-sec) c) 140.0 cm2/(Vsec) d) 1137.1 cm/(V-sec) e) None of the above Problem 6) Determine the recombination lifetime a) 6.0x10- sec b) 3.0x106 sec c) 5.0x10-7 sec d) 9.3x108 sec e) None of the above Problem 7) Determine Ap (max) at a) 7.429% 1016 cm-3 b) 3.297x1015 cm3 c) 2.639x 1013 cm3 d) 6.388x 1014 cm3 e) None of the above 4x106 sec

Answer 1