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Question
Which of the following is an example of a direct band gap intrinsic semiconductor?
Which of the following is an example of a direct band gap intrinsic semiconductor?
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Solution
The correct option is C Gallium Arsenide
Direct Band gap: Defined when maximum energy in the valence band and minimum energy in the conduction band occurs at the same values of the crystal momentum i.e, a direct transition of electrons from valence to conduction band takes place.
Gallium arsenide is an example of direct band gap semiconductor.
Direct Band gap: Defined when maximum energy in the valence band and minimum energy in the conduction band occurs at the same values of the crystal momentum i.e, a direct transition of electrons from valence to conduction band takes place.
Gallium arsenide is an example of direct band gap semiconductor.
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