Abstract

Electrical conductivity and Hall effect of Mnx Cd1−xSe have been measured from 40 to 300 K for the composition range 0<x≤0.30. The compositional dependence of the density-of-state mass of conduction band was obtained by fitting to the Hall-coefficient data, a model based upon a parabolic conduction band and a single ionized donor level. A variational calculation of the electron mobility for Mnx Cd1−xSe was performed, taking as the limiting scattering mechanisms longitudinal-optical-phonon scattering, acoustic-phonon scattering, piezoelectric scattering, and scattering by charged defects. The results of this calculation are in good agreement with the experiment.

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