Q1: Explain, with neat sketches, how is Kronig-Penny Model useful to understand the concept of bandgap...

Q1: Explain, with neat sketches, how is Kronig-Penny Model useful to understand the concept of bandgap in solids

Q2:

Assume that Fermi energy is 0.20eV below the conduction band and N_c =2.8x10^-19 cm^-3 and n_i=1.5x10¹⁰ cm^-3 for silicon at 300K. Calculate:

1- Probability that electron occupies a state at conduction band edge.

2- Thermal-equilibrium electron concentration.

3- Thermal-equilibrium hole concentration.

Expert Solution

genius_generous answered 2 years ago

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