Determine the number density of donor atoms which have to be added to an intrinsic germanium semi- conductor to produce an n-type semiconductor of conduc- tivity 52 cm', given that the mobility of electron in n-type Ge is 3900 cm / Vs. Neglect the contribution of holes to conductivity. -1 -1

Determine the number density of donor atoms which have to be added to an intrinsic germanium semi- conductor to produce an n-type semiconductor of conduc- tivity 52 cm', given that the mobility of electron in n-type Ge is 3900 cm / Vs. Neglect the contribution of holes to conductivity. -1 -1

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter12: The Solid State

Section: Chapter Questions

Problem 2Q

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Question

Determine the number density of donor atoms
which have to be added to an intrinsic germanium semi-
conductor to produce an n-type semiconductor of conduc-
tivity 52 cm', given that the mobility of electron in
n-type Ge is 3900 cm / Vs. Neglect the contribution of holes
to conductivity.
-1
-1
ст

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