Abstract
The effect of the isotopic composition of a semiconductor compound on its energy band structure is considered. The role of the changes in the lattice unit-cell volume and of the renormalization of the electron-phonon interaction that are caused by isotopic-composition variations is discussed. A universal relation describing the dependence of the energy bands on isotopic composition and temperature is derived for monatomic crystals in the virtual-crystal approximation.
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Translated from Fizika Tverdogo Tela, Vol. 44, No. 6, 2002, pp. 992–1000.
Original Russian Text Copyright © 2002 by Zhernov.
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Zhernov, A.P. Effect of the isotope composition on the energy bands in a semiconductor: Universal relation for monatomic crystals. Phys. Solid State 44, 1035–1043 (2002). https://doi.org/10.1134/1.1485004
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DOI: https://doi.org/10.1134/1.1485004