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Electrons in the active region of a GaAs structure have a concentration of 2 10 18 cm 3 . How to calculate the Fermi

Electrons in the active region of a GaAs structure have a concentration of 2 × 10¹⁸ cm^–3.
How to calculate the Fermi level in GaAs with electron density of 2 × 10¹⁸ cm^–3?

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