Assertion: impurity's density | /r/HasProperty | written as a function of the fermi energy
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Source sentences:
text: The electron and hole densities are then written as a function of the Fermi energy using the expressions for non-degenerate semiconductors, while the ionized impurity densities equal the impurity density multiplied with the probability of occupancy for the acceptors and one minus the probability of occupancy for the donors, yielding: