What is Fermi level in semiconductor? Show that in intrinsic semiconductor Fermi level always at the middle between the forbidden energy gap?

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teamques10 ★ 70k

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engineering physics

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written 4.5 years ago by

teamques10 ★ 70k

Fermi Energy or Fermi Level –

When the filling of electrons is undertaken in the energy bands, clearly the lowest energy level gets filled first. But there will be many more allowed energy levels left vacant as shown in fig below.

1) The Fermi energy or Fermi-level is defined as …

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