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Room temperature infrared reflectivity measurement (solid line) and theoretical fit (dashed line) of a :Cl sample with free-electron concentration of , resulting in an optical electron effective mass of . The inset shows ZnSe-, MnSe-, and GaAs-like phonons at 203, 228, and , respectively.
Optical electron effective mass as a function of free-electron concentration for -type ZnSe:Cl samples. Open circles are the calculated values obtained from Kane’s two band model.
Optical electron effective mass as a function of free-electron concentration in -type :Cl epilayers. The error bars in the determination of Mn content and are estimated to be about ±1% and ±9%, respectively. The open circles are theoretical values obtained under the assumption that the two-band Kane model can be used to roughly estimate the electron effective mass in ZnMnSe alloys.
Optical mobility and resistivity as a function of free-electron concentration for -type ZnSe:Cl samples extracted from theoretical fits to the room temperature infrared reflectivity data.
Conduction band-edge masses for ZnSe and .
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