The intrinsic conductivity of pure silicon at 20°C is 5x10-4 / m (very low) and the band-gap energy is 1.11 eV. At what temperature is the intrinsic conductivity 2000x higher than at room temperature? (a) (b) (c) (d) 1566K 448K 175K 273K

The intrinsic conductivity of pure silicon at 20°C is 5x10-4 / m (very low) and the band-gap energy is 1.11 eV. At what temperature is the intrinsic conductivity 2000x higher than at room temperature? (a) (b) (c) (d) 1566K 448K 175K 273K

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

The intrinsic conductivity of pure silicon at 20°C is 5x10-4 / m (very low) and the band-gap
energy is 1.11 eV. At what temperature is the intrinsic conductivity 2000x higher than at room
temperature?
(a)
(b)
(c)
(d) 1566K
448K
175K
273K

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