Which of the following statements describes an indirect bandgap semiconductor like Si?

Question

Answer

Electrons transition between the valence band and conduction band without a change in momentum.

Answer

The valence band and conduction band have overlapping energy levels.

Answer

None of the above

Answer

The energy difference between the valence band and conduction band is substantial.

Answer

Electrons transition between the valence band and conduction band with a change in momentum.

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