Study of optical and transport properties of Cd1-xZnxTe and CdSexTe1-x by Far-IR reflectance spectra

Tzuen-Rong Yang, Sheng Hong Jhang, Yen Hao Shih, Wan Ni Cheng, Fu Chung Hou, Yu Chang Yang, P. Becla, Der Chi Tien, Zhe Chuan Feng

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Abstract

Far-infrared (FIR) reflectance spectroscopy was employed to study a series of bulk Cd1-xZnxTe with varying Zn content (0-100%) and bulk CdSexTe1-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 Cd1-xZnxTe 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 CdSexTe1-x decreases slightly, while the mobility, carrier concentration, and conductivity increase significantly.

Original languageEnglish
Pages (from-to)239-249
Number of pages11
JournalChinese Journal of Physics
Volume49
Issue number1
Publication statusPublished - 2011 Feb 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Yang, T-R., Jhang, S. H., Shih, Y. H., Cheng, W. N., Hou, F. C., Yang, Y. C., Becla, P., Tien, D. C., & Feng, Z. C. (2011). Study of optical and transport properties of Cd1-xZnxTe and CdSexTe1-x by Far-IR reflectance spectra. Chinese Journal of Physics, 49(1), 239-249.