Reflectivities and electronic band structure of Hg0.8Cd0.2Te

Runqing Jiang; Xierong Hu; Jiaxiong Fang; Jie Ma

doi:10.1117/12.252096

25 September 1996 Reflectivities and electronic band structure of Hg0.8Cd0.2Te

Runqing Jiang, Xierong Hu, Jiaxiong Fang, Jie Ma

Proceedings Volume 2894, Detectors, Focal Plane Arrays, and Applications; (1996) https://doi.org/10.1117/12.252096
Event: Photonics China '96, 1996, Beijing, China

Abstract

The fundamental reflectivity spectrum of Hg_0.8Cd_0.2Te have been investigated. The feature of the spectra is the presence of E₁ and E₂ peaks with the fundamental absorption region. The lower energy peak can be split into a doublet (E₁ and E₁ + (Delta) ₁). A 3D saddle point is used to fit the E₁ and E₁ + (Delta) ₁ critical point and some simulated calculation is done for E₂ at X point. The calculated results are compared with the measured results and prominent features of the dielectric spectra are identified with critical-point transition at the (Lambda) and X points in the Brillouin zone.

Citation Download Citation

Runqing Jiang, Xierong Hu, Jiaxiong Fang, and Jie Ma "Reflectivities and electronic band structure of Hg0.8Cd0.2Te", Proc. SPIE 2894, Detectors, Focal Plane Arrays, and Applications, (25 September 1996); https://doi.org/10.1117/12.252096

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