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What are energy bands in solids? How are these formed? How do we classify solids as conductors and semi-conductors on the basis of energy band diagram?

What are energy bands in solids?  How are these formed? 
How do we classify solids as conductors and semi-conductors on the basis of energy band diagram?  

Grade:12

1 Answers

Arun
25750 Points
5 years ago
Electrons in the valence band have lower energy than the electrons in conductionband. The electrons present in the valence band are loosely bound to the nucleus of atom. The energy band which is formed by grouping the range of energy levelsof the free electrons is called as conduction band.

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