Bandgap of (CdTe)m/(Cd1-xMnxTe)n superlattices

S. V. Melnichuk; Ya. I. Mikhailevski; Ilary M. Rarenko; I. M. Yurijchuk

doi:10.1117/12.417807

22 February 2001 Bandgap of (CdTe)_m/(Cd_1-xMnxTe)_n superlattices

S. V. Melnichuk, Ya. I. Mikhailevski, Ilary M. Rarenko, I. M. Yurijchuk

Proceedings Volume 4355, Fifth International Conference on Material Science and Material Properties for Infrared Optoelectronics; (2001) https://doi.org/10.1117/12.417807
Event: Fifth International Conference on Material Science and Material Properties for Infrared Optoelectronics, 2000, Kiev, Ukraine

Abstract

Band structure of [100] (CdTe)_m/(Cd_1-xMn_xTe)_n superlattices is calculated theoretically in dependence of semiconductor CdTe and Cd_1-xMn_xTe layers width and magnetic component concentration. Calculations are carried out within semiempirical tight-binding method, which includes s-, p-orbitals of each atom and cation d-orbitals. Mn 3d-states contribution to the formation of the superlattice energy spectrum is analyzed. It is shown that a superlattice on the base of diluted magnetic semiconductor Cd_1-xMn_xTe with small width of CdTe layers is a semiconductor materials with the similar magnetic properties but with more complicated dependence of crystal forbidden band gap on magnetic component concentration.

Citation Download Citation

S. V. Melnichuk, Ya. I. Mikhailevski, Ilary M. Rarenko, and I. M. Yurijchuk "Bandgap of (CdTe)_m/(Cd_1-xMnxTe)_n superlattices", Proc. SPIE 4355, Fifth International Conference on Material Science and Material Properties for Infrared Optoelectronics, (22 February 2001); https://doi.org/10.1117/12.417807

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