Problem

(a) Calculate the majority and minority carrier concentrations in silicon at T = 300 K for...

(a) Calculate the majority and minority carrier concentrations in silicon at T = 300 K for (i) Nd = 2 × 1016 cm-3 and (ii) Na = 1015 cm-3 , (b) Repeat part (a) for GaAs. (Ans. (a) (i) n0 =2 × 1016 cm-3 , p0 = 1.125 × 104 cm-3; (ii) p0 = 1015 cm-3 ,n0 = 2.25 × 105 cm-3; (b) (i) n0 = 2 × 1016 cm-3,p0 =1.62 × 10-4 cm-3; (ii) p0 = 1015 cm-3 , n0 = 3.24 x 10-3 cm-3).

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