Question

Assuming that the effective mass of electron is equal to its free mass, calculate the effective density of states for electrons in the conduction band of an intrinsic semiconductor at T = 300 K. If the band gap is 1.2 eV and Ev = 0, calculate the concentration of electrons.

Name: assuming that the effective mass of electron is equal to its free mass calculate the effective density of states for electrons in the conduction band of an intrinsic semiconductor at t 300 k 80692
Uploaded: 2021-07-13T19:52:56-08:00
Duration: 4 min 47 s
Channel: Dr. Rajveer Singh
Description: assuming that the effective mass of electron is equal to its free mass calculate the effective density of states for electrons in the conduction band of an intrinsic semiconductor at t 300 k 80692

          Assuming that the effective mass of electron is equal to its free mass, calculate the effective density of states for electrons in the conduction band of an intrinsic semiconductor at
T = 300 K. If the band gap is 1.2 eV and Ev = 0, calculate the concentration of electrons.

Added by Lacey P.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Dr. Rajveer Singh

07/13/2021

Step 1

This can be done using the formula: \[ N_c = 2 \left( \frac{2 \pi m_e^* kT}{h^2} \right)^{3/2} \] where: - \( N_c \) = effective density of states for electrons in the conduction band - \( m_e^* \) = effective mass of the electron - \( k \) = Boltzmann Show more…

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Assuming that the effective mass of electron is equal to its free mass, calculate the effective density of states for electrons in the conduction band of an intrinsic semiconductor at T = 300 K. If the band gap is 1.2 eV and Ev = 0, calculate the concentration of electrons.