Explain the formation of energy bands in solids. With neat energy band diagrams explain extrinsic semiconductors.

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teamques10 ★ 69k

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Mumbai university > FE > SEM 1 > Applied Physics 1

Marks: 8M

Year: Dec 2012

engineering physics

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written 8.7 years ago by

teamques10 ★ 69k

Formation of energy bands:-

In case of a single atom, there is a single energy for an electron orbit.
However, when two atoms are brought close to each other, it leads to intermixing of electrons in the valence shell.

As a result, the number of permissible energy levels are formed, …

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