A semiconductor has an energy gap E= 1.40 eV. If the electron mass and hole mass are 0.5x 10-31kg and 2.5 x 10-31 kg, respectively at T = 300•K, determine: 1- The position of the intrinsic Fermi level with respect to the middle of the energy gap. 2- The intrinsic concentration of charge carriers.

A semiconductor has an energy gap E= 1.40 eV. If the electron mass and hole mass are 0.5x 10-31kg and 2.5 x 10-31 kg, respectively at T = 300•K, determine: 1- The position of the intrinsic Fermi level with respect to the middle of the energy gap. 2- The intrinsic concentration of charge carriers.

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

Chapter10: Statistical Physics

Section: Chapter Questions

Problem 22P

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Question

A semiconductor has an energy gap E= 1.40 eV. If the electron mass and hole mass
are 0.5x 10-31kg and 2.5 x 10-31 kg, respectively at T = 300•K, determine:
1- The position of the intrinsic Fermi level with respect to the middle of the energy gap.
2- The intrinsic concentration of charge carriers.

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