6c.2. The integrate the electron density n is the integral of the density state using the 2D density of states and the Fermi-Dirac distribution, EF = [ƒ¥D(E) · 9(E) de · n = Fermi - Dirac distribution density of state in 2D per unit area → fFD(E): = g²D (E) 1 eß(ε-μ) + 1 1 dN (2D) A dE To show that the chemical potential of a Fermi gas in two dimensions is, H(T) = K₂T \n [exp (™ 7 In nëħ² mkgT || mº πη
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