Virtual Labs

How does increasing the potential well depth affect the energy bands in the Kronig-Penney model?

a: It decreases the band gap width Explanation

Explanation

b: It increases the number of energy bands Explanation

Explanation

c: It increases the band gap width Explanation

Explanation

d: It decreases the number of energy bands Explanation

Explanation

According to Bloch's Theorem, the wavefunction in a periodic potential can be expressed as:

a: A linear function Explanation

Explanation

b: A sinusoidal function Explanation

Explanation

c: A plane wave multiplied by a periodic function Explanation

Explanation

d: A quadratic function Explanation

Explanation

Kronig-Penney model and formation of energy bands