Study of the electronic properties of a double-chain model for Al-rich-transition-metal quasicrystals, amorphous, and crystalline phases

C. V. Landauro, T. Janssen

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Resumen

The electronic properties of quasicrystals containing transition-metals are studied employing a simple double-chain model within the tight-binding approximation. We show that, under determined conditions, spectral fine structures are the result of competing localized- and extended-like states, which are not observed in traditional one-dimensional aperiodic models. These spectral features can explain the experimentally observed transport properties. From this point of view this double-chain model mimics the behavior of electrons in realistic icosahedral quasicrystals. Moreover, in view of the electronic transport, the relationship between quasicrystals and related amorphous phases is explained in a natural way. © 2007 Elsevier B.V. All rights reserved.
Idioma originalInglés estadounidense
Páginas (desde-hasta)3192-3195
Número de páginas4
PublicaciónJournal of Non-Crystalline Solids
DOI
EstadoPublicada - 15 oct. 2007

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