Abstract:A simple formalism for the calculation of the equilibrium activity coefficients of electrons and holes in a nondegenerate semiconductor with nonuniform composition is presented. These activity coefficients are functions of bandgap, electron affinity, and the density of states which vary with position. The calculation of carrier activity coefficients requires the selection of chemical potential and electrostatic potential references. The choice of these reference states is addressed. The relations between purel… Show more
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