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A GaAs sample is doped with donors (NA=9-10x15cm-3) and acceptors (ND=10x16cm-3). Calculate and plot the position of Fermi levels counted from the boom of

A GaAs sample is doped with donors (NA=9-10x15cm-3) and acceptors (ND=10x16cm-3). Calculate and plot the position of Fermi levels counted from the boom of the conduction band for T= 250K, 300K, 350K, and 400K. Assume that both donors and acceptors are fully ionized. Assume that Eg=1.42eV, mn=0.067mo, mp=0.45mo, (m0=9.11x10-31kg).

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