Question

what is the order of energy gap in semiconductor​

Answer 1

Answer:

Conductor - no energy gap Semi Conductor - It is of the order of 1 ev. Insulator - 6 ev (or) more than 6 ev.

Answer 2

The order of energy gap in semiconductor​

Explanation:

• Band gap (or energy gap) of material is the amount of energy you need to ‘invest’ in order to move electron from valence band into conduction band. It is intrinsic property of every solid.
• In chemistry it is closely related to the HOMO/LUMO gap. In solid-state physics, the energy gap or the band gap is an energy range between valence band and conduction band where electron states are forbidden.
• In contrast to conductors, electrons in a semiconductor must obtain energy (e.g. from ionizing radiation) to cross the band gap and to reach the conduction band.

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