Problem

(a) The required conductivity of a silicon material must be σ = 1.5 (Ω–cm)−1. If µn = 1000...

(a) The required conductivity of a silicon material must be σ = 1.5 (Ω–cm)−1. If µn = 1000 cm2/V–s and µp = 375 cm2/V–s, what concentration of donor atoms must be added? (b) The required conductivity of a silicon material must be σ = 0.8 (Ω−cm)− 1. If = 1200cm2/V-s and µp = 400 cm2/V-s, what concentration of acceptor atoms must be added?

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