Peculiarities of the electron transport in ZnxCdyHg1-x-yTe

J. Cebulski; T. Kakol; Eugen M. Sheregii; P. G. Sydorchuk

doi:10.1117/12.344730

8 April 1999 Peculiarities of the electron transport in Zn_xCd_yHg_1-x-yTe

J. Cebulski, T. Kakol, Eugen M. Sheregii, P. G. Sydorchuk

Proceedings Volume 3725, International Conference on Solid State Crystals '98: Epilayers and Heterostructures in Optoelectronics and Semiconductor Technology; (1999) https://doi.org/10.1117/12.344730
Event: International Conference on Solid State Crystals '98, 1998, Zakopane, Poland

Abstract

Transport phenomena such as conductivity, Hall effect and Magnetophonon Resonance (MPR) are studied in quaternary solid solutions Zn_xCd_yHg_1-x-yTe. The three-mode phonon spectrum as well as the presence of ZnTe- and HgTe-clusters deducible from Raman spectra have been confirmed by MPR-data. The comparison of the dependence of E_g(T) obtained by temperature shift of the MPR peaks with one calculated by means of empirical formulae for the energy gap dependences on the component concentration and temperature is performed. The discrepancies between experimental and calculated data are probably caused by the difference in the concentration of components within those regions where the electron transport occurs and the averaged compound concentration measured by X-ray micro analysis (the space resolution for those measurements exceeds 1 micrometers ). Unbounded HgTe- and ZnTe-clusters are formed due to the escape of Hg- and Zn-atoms out of this region. It can be suggested that the electron transport occurs in a part of the crystal where a stochastically homogeneous distribution of cation atoms takes place.

Citation Download Citation

J. Cebulski, T. Kakol, Eugen M. Sheregii, and P. G. Sydorchuk "Peculiarities of the electron transport in Zn_xCd_yHg_1-x-yTe", Proc. SPIE 3725, International Conference on Solid State Crystals '98: Epilayers and Heterostructures in Optoelectronics and Semiconductor Technology, (8 April 1999); https://doi.org/10.1117/12.344730

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