Electronic properties of semiconductor Fibonacci quasi-periodic superlattices

J. Arriaga and V.R. Velasco

Physica A: Statistical Mechanics and its Applications, 1997, vol. 241, issue 1, 377-381

Abstract: We study the lowest conduction band and the highest valence band states of Fibonacci superlattices, formed by different slabs of AlAs and GaAs grown along the (0 0 1) direction. We employ an empirical tight-binding Hamiltonian including spin-orbit coupling together with the surface Green's function matching method. Second to sixth generation superlattices with different generating layer thicknesses have been analyzed. A selective localization of the spectral strength in the thicker GaAs slab is found for both valence and conduction band states in all the cases studied here.

Keywords: Semiconductor electronic properties; Band structure; Superlattices; Spin-orbit coupling (search for similar items in EconPapers)
Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:241:y:1997:i:1:p:377-381

DOI: 10.1016/S0378-4371(97)00110-6

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