- A semiconductor material has electron and hole mobilities µn and µp respectively. When the ductivity is considered as a function of the electron concentration no, (a) show that the nimum value of conductivity, Gmin can be written as 20i HnHp (Hn + Hp) Omin = ere oi is the intrinsic conductivity, and (b) show that the corresponding electron concentration is n, = n;/µn/Hn:

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Q2:- A semiconductor material has electron and hole mobilities µn and µp respectively. When the
conductivity is considered as a function of the electron concentration no, (a) show that the
minimum value of conductivity, Omin
can be written as
Omin =
(Hn + Hp)
where ơi is the intrinsic conductivity, and (b) show that the corresponding electron concentration is
n. = nivHn/Hp.
Transcribed Image Text:Q2:- A semiconductor material has electron and hole mobilities µn and µp respectively. When the conductivity is considered as a function of the electron concentration no, (a) show that the minimum value of conductivity, Omin can be written as Omin = (Hn + Hp) where ơi is the intrinsic conductivity, and (b) show that the corresponding electron concentration is n. = nivHn/Hp.
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