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Study of Optical and Transport Properties of Cd(subscript 1-x)Zn(subscript x)Te and CdSe(subscript x)Te(subscript 1-x) by Far-IR Reflectance Spectra
並列摘要
Far-infrared (FIR) reflectance spectroscopy was employed to study a series of bulk Cd(subscript 1-x)Zn(subscript x)Te with varying Zn content (0-100%) and bulk CdSe(subscript x)Te(subscript 1-x) with varying Se content (5-35%). The dielectric response function model and least-square fit were used to find the optical and transport parameters. With an increase in the Zn content, the effective mass of Cd(subscript 1-x)Zn(subscript x)Te increases slightly, while the carrier concentration increases significantly; however, the mobility and conductivity decrease. With an increase in the Se content, the effective mass of CdSe(subscript x)Te(subscript 1-x) decreases slightly, while the mobility, carrier concentration, and conductivity increase significantly.
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